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- Title
- A Web-based description of design pattern representations.
- Creator
- Hendricksen, Paul A., Florida Atlantic University, Horton, Thomas
- Abstract/Description
-
Since the publication of the book Design Patterns: Elements of Reusable Object-Oriented Software by the Eric Gamma, Richard Helm, Ralph Johnson, and John Vlissides, there has been substantial interest in design patterns in the software engineering community. One of the goals of design patterns is to capture design expertise developed by some of the most experienced developers so that it can be reused even by less experienced programmers. Like other engineering disciplines, the authors...
Show moreSince the publication of the book Design Patterns: Elements of Reusable Object-Oriented Software by the Eric Gamma, Richard Helm, Ralph Johnson, and John Vlissides, there has been substantial interest in design patterns in the software engineering community. One of the goals of design patterns is to capture design expertise developed by some of the most experienced developers so that it can be reused even by less experienced programmers. Like other engineering disciplines, the authors presented their materials using a catalog format. That format can present problems for students and practitioners. As an alternative, we suggest to first replace the text-based description with a web-based description to make it easier to browse through the information. Second, we suggest using more graphical design representations for pattern descriptions to reduce the amount of necessary textual details. Using the process of reverse engineering, we recreate the original design representations of various pattern implementations. Third, we provide additional graphical representations to relate the general pattern description to specific implementations. Finally, we provide a web-based prototype of the new representation and shows how a user can take advantage of such representations.
Show less - Date Issued
- 1999
- PURL
- http://purl.flvc.org/fcla/dt/15650
- Subject Headings
- Computer software--Reusability, Object-oriented programming (Computer science)
- Format
- Document (PDF)
- Title
- Reducing impedance mismatch in SQL embeddings for object-oriented programming languages.
- Creator
- Hurtado, Jose Luis, College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
- Abstract/Description
-
We survey and compare the different major mechanisms for embedding the relational database language SQL in object-oriented programming languages such as Java and C#, with regard to how much impedance mismatch these embeddings suffer. Here impedance mismatch refers to clarity and performance difficulties that arise because of the nature of the embedding. Because of the central position in the information technology industry of object-oriented programs that access SQL-based relational database...
Show moreWe survey and compare the different major mechanisms for embedding the relational database language SQL in object-oriented programming languages such as Java and C#, with regard to how much impedance mismatch these embeddings suffer. Here impedance mismatch refers to clarity and performance difficulties that arise because of the nature of the embedding. Because of the central position in the information technology industry of object-oriented programs that access SQL-based relational database systems, reducing impedance mismatch is generally recognized in that industry as an important practical problem. We argue for the suitability of SQL as a database language, and hence for the desirability of keeping SQL as the view provided by a SQL embedding. We make the case that SQLJ, a SQL embedding for Java in which it appears that Java directly supports SQL commands, is the kind of SQL embedding that suffers the least impedance mismatch, when compared with call-level interfaces and object-relational mappings. We propose extensions to SQLJ that would reduce its impedance mismatch even further.
Show less - Date Issued
- 2012
- PURL
- http://purl.flvc.org/FAU/3355565
- Subject Headings
- Object-oriented programming (Computer science), SQL (Computer program language), Java (Computer program language), Relational databases
- Format
- Document (PDF)
- Title
- A Modeling Methodology for an RTOS.
- Creator
- Islam, Sifat, Shankar, Ravi, Florida Atlantic University
- Abstract/Description
-
Enhanced system design productivity is key to satisfying time-to-market demands. One will have to exploit design reuse methodology to meet project schedule requirements. Integration of components often fails due to various concurrency violations. Concurrency issues arise when components executing in parallel share resources and interact with each other. Such a system may have intermittent, yet catastrophic failures, if these concurrency issues are not addressed properly. In this thesis, we...
Show moreEnhanced system design productivity is key to satisfying time-to-market demands. One will have to exploit design reuse methodology to meet project schedule requirements. Integration of components often fails due to various concurrency violations. Concurrency issues arise when components executing in parallel share resources and interact with each other. Such a system may have intermittent, yet catastrophic failures, if these concurrency issues are not addressed properly. In this thesis, we propose a methodology for developing concurrency compliant components from a requirement document. We have applied this methodology for developing process management and memory management aspects of a Real Time Operating System (RTOS). In this methodology, we start from a "customer' s" requirement document that is then mapped to activity diagram, swimlane diagram, class diagrams, and use case diagrams. To evolve a concurrency compliant design, we use the Message Sequence Chart plug-in for the Labeled Transition State Analyzer (LTSA). This plug-in lets us use Message Sequence Charts rather than coding in Finite State Processes (FSP). Later, we use MLDesigner to simulate our R TOS sub-system and demonstrate proper behavior of this sub-system.
Show less - Date Issued
- 2007
- PURL
- http://purl.flvc.org/fau/fd/FA00012528
- Subject Headings
- Computer architecture, Object-oriented programming (Computer science), Real-time programming, Operating systems (Computers)
- Format
- Document (PDF)
- Title
- Approaches to relational database access from object-oriented programming languages.
- Creator
- Ghouse, Murtuza., Florida Atlantic University, Solomon, Martin K.
- Abstract/Description
-
In this thesis, different methods to access relational databases from an object oriented programming language like Java have been investigated. The approaches that are covered are JDBC (Java Database Connectivity), SQLJ (industry standard for embedding SQL in Java) and Java Blend (product from Sun Microsystems, that provides object-oriented way to access data in a relational database). The emphasis is given to Java Blend, as it is a new tool with a very broad scope. And arguments in support...
Show moreIn this thesis, different methods to access relational databases from an object oriented programming language like Java have been investigated. The approaches that are covered are JDBC (Java Database Connectivity), SQLJ (industry standard for embedding SQL in Java) and Java Blend (product from Sun Microsystems, that provides object-oriented way to access data in a relational database). The emphasis is given to Java Blend, as it is a new tool with a very broad scope. And arguments in support of Java Blend as a better approach compared to JDBC and SQLJ are presented.
Show less - Date Issued
- 2001
- PURL
- http://purl.flvc.org/fcla/dt/12830
- Subject Headings
- Object-oriented programming (Computer science), Relational databases, Java (Computer program language)
- Format
- Document (PDF)
- Title
- Industrial-strength formalization of object-oriented real-time systems.
- Creator
- Raghavan, Gopalakrishna., Florida Atlantic University, Larrondo-Petrie, Maria M., College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
- Abstract/Description
-
The goal of this dissertation is to propose an industrial-strength formal model for object-oriented real-time systems that captures real-time constraints using industry standard notations and tools. A light-weight formalization process is proposed that is semi-formal, graphical and easier to read and understand. This process supports formal behavior analysis, verification and validation. It is very effective in early detection of incompleteness and ambiguities in the specifications. The...
Show moreThe goal of this dissertation is to propose an industrial-strength formal model for object-oriented real-time systems that captures real-time constraints using industry standard notations and tools. A light-weight formalization process is proposed that is semi-formal, graphical and easier to read and understand. This process supports formal behavior analysis, verification and validation. It is very effective in early detection of incompleteness and ambiguities in the specifications. The proposed process uses industry standard tools and fits well within stringent industrial schedules. Formal requirements analysis is conducted using High Level Message Sequencing Chart (HMSC) and Message Sequencing Chart (MSC). In the formal analysis phase, the static structures are modeled using Unified Modeling Language (UML) and the constraints are formalized using Object Constraint Language (OCL). System behavior is formally modeled using Specification and Description Language (SDL) during the formal design phase. SDL is used for behavior modeling due to wide commercial availability of SDL-based tools for formal behavior analysis and validation. Transition rules mapping from UML Class Diagrams and Statecharts to SDL models are proposed. SDL models are formally simulated and validated during the formal validation phase. Using the proposed process real-time clock, timer, periodic process, aperiodic process, resource and precedence constraints were formalized. Different types of timers, such as periodic, aperiodic, one-shot, fixed-interval and variable-interval timers are derived using inheritance models. Semaphore wait and signal operations are formalized as part of the resource constraint. Pre-conditions, post-conditions and invariants for the real-time constraints were captured using OCL. Behavior of the proposed models were captured using Statecharts. The proposed mapping rules were used to translate the behavior models to SDL. The SDL models were formally simulated and validated using Telelogic Software Development Tool (SDT). The tools allowed extensive model analysis and helped uncover several design flaws. The real-time constraints were stereotyped and packaged into reusable formal components. These components can be easily imported by applications. Two case studies, Cruise Control System and Bottle Filling System, are included to illustrate the use of the proposed process and the real-time package. The "industrial-strength" of the process was validated by utilizing the proposed process in an industrial project where it was found to accelerate the development process.
Show less - Date Issued
- 2000
- PURL
- http://purl.flvc.org/fcla/dt/12632
- Subject Headings
- Object-oriented programming (Computer science), Real-time data processing, Formal methods (Computer science)
- Format
- Document (PDF)
- Title
- A heterogeneous multiprocessor architecture for workstations.
- Creator
- Bealkowski, Richard., Florida Atlantic University, Fernandez, Eduardo B., College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
- Abstract/Description
-
Providing multiprocessor capability to the class of computers commonly referred to as personal workstations is the next evolutionary step in their development. Uniprocessor workstations limit the user in throughput, reliability, functionality, and architecture. Multiprocessor workstations have the potential of increasing system throughput. A multiprocessor system with expanded architecture derived from a set of heterogeneous processors gives the user a diverse application base within a single...
Show moreProviding multiprocessor capability to the class of computers commonly referred to as personal workstations is the next evolutionary step in their development. Uniprocessor workstations limit the user in throughput, reliability, functionality, and architecture. Multiprocessor workstations have the potential of increasing system throughput. A multiprocessor system with expanded architecture derived from a set of heterogeneous processors gives the user a diverse application base within a single system. The replication and diversity offered in systems of this design, when coupled with fault-tolerant design techniques, enhances system reliability. A heterogeneous multiprocessor architecture is presented which combines loosely- and tightly-coupled configurations (multicomputer and multiprocessor). This architecture provides for incremental growth of the system, either by static or dynamic reconfiguration. The software view of the system is that of an object-oriented environment. The object-oriented approach is used to unify the heterogeneous nature of the system. The process is the unit of concurrency in the system and cooperating concurrent processes are supported. A set of system primitives are provided to support the requirements of a heterogeneous multiprocessing environment. A virtual machine layer controls the distribution of processes and allocation of resources in the system. A virtual network is used to provide communication paths and resource sharing. The virtual network is designed to be bridged to an external physical network. The system requirements for a secure and reliable operating environment are incorporated into the design. This system utilizes "hardware porting" as a means to overcome the lag of software support for hardware advances. Rather than software port an entire application base to a new system architecture, hardware porting brings the required instruction set architecture to the applications. This heterogeneous multiprocessor architecture builds on a popular system architecture, the scIBM PS/2 with the Micro Channel system bus. Incorporating a second bus, the scSCSI bus, as a system extension is explored.
Show less - Date Issued
- 1989
- PURL
- http://purl.flvc.org/fcla/dt/12242
- Subject Headings
- Microcomputer workstations, Multiprocessors, Object-oriented programming (Computer science), Computer architecture
- Format
- Document (PDF)
- Title
- A framework for an icon-based software engineering environment.
- Creator
- Huang, Qinxi., Florida Atlantic University, Larrondo-Petrie, Maria M.
- Abstract/Description
-
Current computer technologies and demands bring new challenges to the software engineering tools. This thesis includes a survey of software engineering environments, standards and technologies. It also examines the features needed to support rigorous object-oriented software development. The main contributions of the thesis are descriptions of innovative concepts and a high-level framework for a next-generation object-oriented software system development, management and maintenance...
Show moreCurrent computer technologies and demands bring new challenges to the software engineering tools. This thesis includes a survey of software engineering environments, standards and technologies. It also examines the features needed to support rigorous object-oriented software development. The main contributions of the thesis are descriptions of innovative concepts and a high-level framework for a next-generation object-oriented software system development, management and maintenance environment, called IconSEE++, an Icon-based Software Engineering Environment.
Show less - Date Issued
- 1998
- PURL
- http://purl.flvc.org/fcla/dt/15576
- Subject Headings
- Software engineering, Object-oriented methods (Computer science), Icon (Computer program language)
- Format
- Document (PDF)
- Title
- Extensions to real-time object-oriented software design methodologies.
- Creator
- Woodcock, Timothy G., Florida Atlantic University, Fernandez, Eduardo B., College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
- Abstract/Description
-
Real-time systems are systems where time is considered a system resource that needs to be managed. Time is usually represented in these systems as a deadline to complete a task. Unfortunately, by adding timing to even simple algorithms, it complicates them greatly. Real-time systems are by nature difficult and complex to understand. Object-oriented methodologies have attributes that allow real-time systems to be designed and implemented with less error and some control over the resultant...
Show moreReal-time systems are systems where time is considered a system resource that needs to be managed. Time is usually represented in these systems as a deadline to complete a task. Unfortunately, by adding timing to even simple algorithms, it complicates them greatly. Real-time systems are by nature difficult and complex to understand. Object-oriented methodologies have attributes that allow real-time systems to be designed and implemented with less error and some control over the resultant complexity. With object-oriented design, the system is modeled in the environment that it will be used in. Objects themselves, are partitions of the system, into logical, understandable units. In this dissertation, we start by surveying the current real-time object-oriented design methodologies. By comparing these methodologies and developing a set of criteria for evaluating them, we discover that certain aspects of these methodologies still need some work. The most important aspects of the methodologies are understanding the effects of deadlines on statechart behavioral models and understanding the effects of deadlines when object models are inherited or undergo aggregation. The effects of deadlines on statecharts are then explored in detail. There are two basic ways that deadlines are added to statecharts. The first, and most popular, is adding timing as a condition on a state transition. The second is adding a count down timer to a state and forcing a transition if the timer reaches zero. We show that these are equivalent and can be used interchangeably to simplify designs. Next, the effects of deadlines on behavior models when the corresponding object models undergo inheritance or aggregation are studied. We will first analyze the effects on the behavior model when object inheritance is encountered. We found eight ways that the behavior model can be modified and still maintain the properties of inheritance. Finally, deadlines are added and the analysis is repeated.
Show less - Date Issued
- 1996
- PURL
- http://purl.flvc.org/fcla/dt/12493
- Subject Headings
- Real-time data processing, Computer software--Development, Object-oriented programming (Computer science)
- Format
- Document (PDF)
- Title
- A methodology for object-oriented modeling and design of real-time, fault-tolerant systems.
- Creator
- Hancock, Debera R., Florida Atlantic University, Fernandez, Eduardo B.
- Abstract/Description
-
Many methodologies for software modeling and design include some form of static and dynamic modeling to describe the structural and behavioral views respectively. Modeling and design of complex real-time software systems requires notations for describing concurrency, asynchronous event handling, communication between independent machines, timing properties, and accessing real time. Function-oriented structured analysis methodologies such as Ward and Mellor's SA/RT and Harel's Statecharts have...
Show moreMany methodologies for software modeling and design include some form of static and dynamic modeling to describe the structural and behavioral views respectively. Modeling and design of complex real-time software systems requires notations for describing concurrency, asynchronous event handling, communication between independent machines, timing properties, and accessing real time. Function-oriented structured analysis methodologies such as Ward and Mellor's SA/RT and Harel's Statecharts have provided extensions for real-time system modeling. Dynamic modeling of real time systems using object-oriented methodologies also requires extensions to the traditional state machine notations in order to convey the real time system characteristics and constraints. Shaw's Communicating Real Time State Machines (CRSM's), Harel's O-Chart notations, and the Octopus methodology provide methods for modeling real-time systems consistent with object-oriented methods. This thesis proposes an object-oriented analysis and design methodology that augments the traditional Object Modeling Technique (OMT) dynamic model with real-time extensions based on high-level parallel machines and communication notations from CRSM. An example of the proposed methodology is provided using a realistic but hypothetical example of an automated passenger train system. A design refinement step is included for fault tolerant considerations. An evaluation of the proposed methodology with its extended notations is provided.
Show less - Date Issued
- 1997
- PURL
- http://purl.flvc.org/fcla/dt/15405
- Subject Headings
- Object-oriented methods (Computer science), Fault-tolerant computing, Real-time programming
- Format
- Document (PDF)
- Title
- Object-oriented modeling of multimedia conferencing systems.
- Creator
- Chien, Pei-Der., Florida Atlantic University, Fernandez, Eduardo B.
- Abstract/Description
-
Multimedia conferencing has been making significant progress in recent years. There are many research projects and prototypes of this advance in interactive communications, however there is still no general abstract model. This thesis is primarily concerned with developing such a model that covers the major functions employed in a conference. Object Modeling Technique (OMT) is adopted here in describing both the static and dynamic aspects of this model. A relevant authorization system is also...
Show moreMultimedia conferencing has been making significant progress in recent years. There are many research projects and prototypes of this advance in interactive communications, however there is still no general abstract model. This thesis is primarily concerned with developing such a model that covers the major functions employed in a conference. Object Modeling Technique (OMT) is adopted here in describing both the static and dynamic aspects of this model. A relevant authorization system is also considered in this thesis. This system includes the description of an authorization model with general administration policies.
Show less - Date Issued
- 1994
- PURL
- http://purl.flvc.org/fcla/dt/15070
- Subject Headings
- Teleconferencing--Computer programs, Telecommunication systems, Multimedia systems--Computer programs, Object-oriented programming (Computer science)
- Format
- Document (PDF)
- Title
- A survey of object-oriented features in SQL3.
- Creator
- Wu, Zaiwu., Florida Atlantic University, Solomon, Martin K., College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
- Abstract/Description
-
This thesis, based on (ISO/ANSI) X3H2-93-091 Working Draft Database Language SQL (SQL3) (Melton, 1993, 1994), systematically specifies the characteristics and manipulation of object-oriented techniques in SQL3. An essential difference between SQL3 and the previous SQL standards lies in the fact that the abstract data type (ADT) facility supported in SQL3 causes SQL3 to become an extended relational data model rather than a "pure" relational data model. This master's thesis focuses on the...
Show moreThis thesis, based on (ISO/ANSI) X3H2-93-091 Working Draft Database Language SQL (SQL3) (Melton, 1993, 1994), systematically specifies the characteristics and manipulation of object-oriented techniques in SQL3. An essential difference between SQL3 and the previous SQL standards lies in the fact that the abstract data type (ADT) facility supported in SQL3 causes SQL3 to become an extended relational data model rather than a "pure" relational data model. This master's thesis focuses on the careful examination and explication of ADTs and the corresponding families--type templates as they are used in SQL3. These topics involve four aspects: (1) general concepts and technologies in object-oriented data models, (2) the definition of ADTs and their advantages, (3) the manipulation of ADTs in SQL3, including type templates (e.g., distinct types, explicit ADTs, user-defined type templates, standard type templates) and collection types, (4) "tables of ADTs" (row types with table), and (5) conclusions and challenges.
Show less - Date Issued
- 1994
- PURL
- http://purl.flvc.org/fcla/dt/15044
- Subject Headings
- Abstract data types (Computer science), Object-oriented programming (Computer science), Database management, SQL (Computer program language)
- Format
- Document (PDF)
- Title
- Object-oriented process planning system for printed circuit boards fabrication (OOPP).
- Creator
- Alif, Nidal M., Florida Atlantic University, Han, Chingping (Jim)
- Abstract/Description
-
An Object-Oriented Process Planning (OOPP) system that generates a particular process plan for Printed Circuit Board (PCB) fabrication is developed. The OOPP is an integrated system that access the manufacturing database, which includes the fabrication processes and the main parameters of Printed Circuit Boards. An Object-Oriented approach has several benefits which include a modular system structure that combine procedures (programs) with data values, improving the communication among...
Show moreAn Object-Oriented Process Planning (OOPP) system that generates a particular process plan for Printed Circuit Board (PCB) fabrication is developed. The OOPP is an integrated system that access the manufacturing database, which includes the fabrication processes and the main parameters of Printed Circuit Boards. An Object-Oriented approach has several benefits which include a modular system structure that combine procedures (programs) with data values, improving the communication among different manufacturing activities, and achieving less system maintenance and down stream errors. OOPP system based on Group Technology (GT) concept and PCB fabrication rules. Applying Group Technology within Object Oriented process planning structure is a new application in this field. This gives more flexibility to the system and presents a technique that intends future reuse.
Show less - Date Issued
- 1991
- PURL
- http://purl.flvc.org/fcla/dt/14761
- Subject Headings
- Production planning--Data processing, Object-oriented programming (Computer science), Printed circuits
- Format
- Document (PDF)
- Title
- Object-oriented design of flexible manufacturing systems.
- Creator
- Abou-Haidar, Bassam., Florida Atlantic University, Fernandez, Eduardo B.
- Abstract/Description
-
This thesis presents a systematic method for the design and modeling of flexible manufacturing systems, using object-oriented concepts and Petri nets. In the method proposed, we first define the system components in terms of an object model consisting of hierarchical sets of classes and operations. Secondly, we model the dynamic aspects of the system using statecharts, including exceptions. As a third step, we derive Petri nets from those statecharts to realize the concurrency present in the...
Show moreThis thesis presents a systematic method for the design and modeling of flexible manufacturing systems, using object-oriented concepts and Petri nets. In the method proposed, we first define the system components in terms of an object model consisting of hierarchical sets of classes and operations. Secondly, we model the dynamic aspects of the system using statecharts, including exceptions. As a third step, we derive Petri nets from those statecharts to realize the concurrency present in the system. Finally we develop a hierarchy of controllers, corresponding to the layers of the object model, for the independent components of the system based on the Petri nets obtained in the previous step.
Show less - Date Issued
- 1993
- PURL
- http://purl.flvc.org/fcla/dt/14989
- Subject Headings
- Petri nets, Flexible manufacturing systems, Object-oriented programming (Computer science), Real-time control
- Format
- Document (PDF)
- Title
- An object-oriented model for a manufacturing resource planning system.
- Creator
- Kastritis, Karen Mary., Florida Atlantic University, Han, Chingping (Jim), Fernandez, Eduardo B., College of Engineering and Computer Science, Department of Ocean and Mechanical Engineering
- Abstract/Description
-
Manufacturing Resource Planning systems are functionally complex systems. In providing effective resource management tools, they support the integration of a wide variety of complex functions. These systems also undergo frequent changes as business needs change. For these reasons, analysis techniques which provide methods to create clear, flexible systems must be sought. Object oriented analysis is such a technique. This thesis presents the development of an object oriented model for a...
Show moreManufacturing Resource Planning systems are functionally complex systems. In providing effective resource management tools, they support the integration of a wide variety of complex functions. These systems also undergo frequent changes as business needs change. For these reasons, analysis techniques which provide methods to create clear, flexible systems must be sought. Object oriented analysis is such a technique. This thesis presents the development of an object oriented model for a Manufacturing Resource Planning system (MRPII). It will be shown that the use of objects and object oriented techniques to model complex systems such as MRPII results in system models which are more easily understood and more flexible to change than other more conventional representations. Future research may include the formal design and implementation of the model. The flexibility of the implemented system could then be compared to the level of flexibility of a non-object based system.
Show less - Date Issued
- 1996
- PURL
- http://purl.flvc.org/fcla/dt/15288
- Subject Headings
- Manufacturing processes, Manufacturing resource planning, Production management--Data processing, Object-oriented programming (Computer science)
- Format
- Document (PDF)
- Title
- Controlling access to physical locations.
- Creator
- Desouza-Doucet, Ana C., Florida Atlantic University, Fernandez, Eduardo B.
- Abstract/Description
-
The need to secure and control access to rooms in premises has shifted from allowing some people to enter a room to giving permission to specific persons to access a room and recording who entered the room and the time they spent in it. With such need for higher security in mind, we design an access control system for controlling physical access of people to locations or to specific units in these locations. Our study gives emphasis to the organization of physical locations, including nested...
Show moreThe need to secure and control access to rooms in premises has shifted from allowing some people to enter a room to giving permission to specific persons to access a room and recording who entered the room and the time they spent in it. With such need for higher security in mind, we design an access control system for controlling physical access of people to locations or to specific units in these locations. Our study gives emphasis to the organization of physical locations, including nested rooms, and the approach used to assign permission to people to access such locations. We also define some security policies to be used in such model as well as appropriate user interfaces. Finally, we develop two patterns based on our model.
Show less - Date Issued
- 2006
- PURL
- http://purl.flvc.org/fcla/dt/13328
- Subject Headings
- Software architecture, Computer networks--Access control, Computer security, Object-oriented programming (Computer science), Smart cards--Security measures
- Format
- Document (PDF)
- Title
- Design patterns and object oriented model of a biometric service system.
- Creator
- Blandon, Jatni., Florida Atlantic University, Han, Chingping (Jim)
- Abstract/Description
-
Continuous changes in the software development community require challenging conventional approaches resulting in techniques that allow for early decisions at the design level. This project is a demonstration of the use of design patterns as a common way to organize objects to make practical design decisions helping to generate flexible, manageable and agile software architectures. Due to the continuity and unpredictability of its requirements, the Biometric Industry is appropriate to...
Show moreContinuous changes in the software development community require challenging conventional approaches resulting in techniques that allow for early decisions at the design level. This project is a demonstration of the use of design patterns as a common way to organize objects to make practical design decisions helping to generate flexible, manageable and agile software architectures. Due to the continuity and unpredictability of its requirements, the Biometric Industry is appropriate to illustrate of the use of design patterns and object oriented analysis. First, the conceptual model of an Electronic Fingerprint Service establishes the vocabulary for discussing how a system is constructed. Since good design decisions eventually result in a good design model, this model is used to leverage the object reused when requirements change. The Electronic Biometric Services model demonstrates how by applying design patterns, the system can gain the flexibility and agility required to grow and change according to new requirements.
Show less - Date Issued
- 2006
- PURL
- http://purl.flvc.org/fcla/dt/13351
- Subject Headings
- Computer software--Development, Software architecture, Object-oriented programming (Computer science), Biometric identification, Pattern recognition systems--Development
- Format
- Document (PDF)
- Title
- Implementation of an improved embedded SQL for Java.
- Creator
- Bradley, Louis M., College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
- Abstract/Description
-
The Java Devlopment Environment defines SQLJ as a standard way of embedding the relational database language SQL in the object-oriented programming language Java. Oracle Corporation provides an extension of SQLJ that supports dynamic SQL constructs for the processing of SQL commands that are not completely known at compile time. Unfortunately, these constructs are not sufficient to handle all dynamic situations, so that the programmer has to depend on other SQL embeddings, such as JDBC, in...
Show moreThe Java Devlopment Environment defines SQLJ as a standard way of embedding the relational database language SQL in the object-oriented programming language Java. Oracle Corporation provides an extension of SQLJ that supports dynamic SQL constructs for the processing of SQL commands that are not completely known at compile time. Unfortunately, these constructs are not sufficient to handle all dynamic situations, so that the programmer has to depend on other SQL embeddings, such as JDBC, in addition to Oracle's SQLJ. In this thesis we implement several extensions to Oracle's SQLJ so that all dynamic situations can be programmed in SQLJ, without resorting to other SQL embeddings. We also add a sub-query based for loop facility, similar to the one provided in Oracle's database programming language PL/SQL, as an improvement over the iterator constructs that SQLJ provides. This thesis discusses the design, development and implementation of these SQLJ extensions, and provided applications that show the utility of these extensions in terms of clarity and power.
Show less - Date Issued
- 2012
- PURL
- http://purl.flvc.org/FAU/3358327
- Subject Headings
- SQL (Computer program language), Java ( (Computer program language), Object-oriented programming ( (Computer science), Client/server computing, Application software, Development
- Format
- Document (PDF)
- Title
- Analyzing software repository data to synthesize and visualize relationships between development artifacts.
- Creator
- Mulcahy, James J., College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
- Abstract/Description
-
As computing technology continues to advance, it has become increasingly difficult to find businesses that do not rely, at least in part, upon the collection and analysis of data for the purpose of project management and process improvement. The cost of software tends to increase over time due to its complexity and the cost of employing humans to develop, maintain, and evolve it. To help control the costs, organizations often seek to improve the process by which software systems are developed...
Show moreAs computing technology continues to advance, it has become increasingly difficult to find businesses that do not rely, at least in part, upon the collection and analysis of data for the purpose of project management and process improvement. The cost of software tends to increase over time due to its complexity and the cost of employing humans to develop, maintain, and evolve it. To help control the costs, organizations often seek to improve the process by which software systems are developed and evolved. Improvements can be realized by discovering previously unknown or hidden relationships between the artifacts generated as a result of developing a software system. The objective of the work described in this thesis is to provide a visualization tool that helps managers and engineers better plan for future projects by discovering new knowledge gained by synthesizing and visualizing data mined from software repository records from previous projects.
Show less - Date Issued
- 2011
- PURL
- http://purl.flvc.org/FAU/3333053
- Subject Headings
- Data mining, Mathematical models, Software engineering, Inofrmation visualization, Data processing, Application software, Development, Object-oriented programming (Computer science)
- Format
- Document (PDF)
- Title
- iVEST A: Interactive Data Visualization and Analysis for Drive Test Data Evaluation.
- Creator
- Lee, Yongsuk, Zhu, Xingquan, Pandya, Abhijit S., Hsu, Sam, Florida Atlantic University, College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
- Abstract/Description
-
In this thesis, a practical solution for drive test data evaluation and a real application are studied. We propose a system framework to project high dimensional Drive Test Data (DTD) to well-organized web pages, such that users can visually review phone performance with respect to different factors. The proposed application, iVESTA (interactive Visualization and Evaluation System for driven Test dAta), employs a web-based architecture which enables users to upload DTD and immediately...
Show moreIn this thesis, a practical solution for drive test data evaluation and a real application are studied. We propose a system framework to project high dimensional Drive Test Data (DTD) to well-organized web pages, such that users can visually review phone performance with respect to different factors. The proposed application, iVESTA (interactive Visualization and Evaluation System for driven Test dAta), employs a web-based architecture which enables users to upload DTD and immediately visualize the test results and observe phone and network performances with respect to different factors such as dropped call rate, signal quality, vehicle speed, handover and network delays. iVESTA provides practical solutions for mobile phone manufacturers and network service providers to perform comprehensive study on their products from the real-world DTD.
Show less - Date Issued
- 2007
- PURL
- http://purl.flvc.org/fau/fd/FA00012532
- Subject Headings
- Information visualization--Data processing, Object-oriented programming (Computer science), Information technology--Management, Application software--Development
- Format
- Document (PDF)
- Title
- Performance analysis of a new object-based I/O architecture for PCs and workstations.
- Creator
- Huynh, Khoa Dang., Florida Atlantic University, Khoshgoftaar, Taghi M., College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
- Abstract/Description
-
In this dissertation, an object-based I/O architecture for personal computers (PCs) and workstations is proposed. The proposed architecture allows the flexibility of having I/O processing performed as much as possible by intelligent I/O adapters, or by the host processor, or by any processor in the system, depending on application requirements and underlying hardware capabilities. It keeps many good features of current I/O architectures, while providing more flexibility to take advantage of...
Show moreIn this dissertation, an object-based I/O architecture for personal computers (PCs) and workstations is proposed. The proposed architecture allows the flexibility of having I/O processing performed as much as possible by intelligent I/O adapters, or by the host processor, or by any processor in the system, depending on application requirements and underlying hardware capabilities. It keeps many good features of current I/O architectures, while providing more flexibility to take advantage of new hardware technologies, promote architectural openness, provide better performance and higher reliability. The proposed architecture introduces a new definition of I/O subsystems and makes use of concurrent object-oriented technology. It combines the notions of object and thread into something called an active object. All concurrency abstractions required by the proposed architecture are provided through external libraries on top of existing sequential object-oriented languages, without any changes to the syntax and semantics of these languages. We also evaluate the performance of optimal implementations of the proposed I/O architecture against other I/O architectures in three popular, PC-based, distributed environments: network file server, video server, and video conferencing. Using the RESearch Queueing Modeling Environment (RESQME), we have developed detailed simulation models for various implementations of the proposed I/O architecture and two other existing I/O architectures: a conventional, interrupt-based I/O architecture and a peer-to-peer I/O architecture. Our simulation results indicate that, on several different hardware platforms, the proposed I/O architecture outperforms both existing architectures in all three distributed environments considered.
Show less - Date Issued
- 1994
- PURL
- http://purl.flvc.org/fcla/dt/12386
- Subject Headings
- Local area networks (Computer networks), Computer input-output equipment, Computer networks, Videoconferencing, Client/server computing, Object-oriented programming (Computer science)
- Format
- Document (PDF)
