Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 23 for “"Computer and Information Sciences"”.
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Maintaining technical currency among computer professionals: a multiple-case investigation of the role of formal and informal learning
Virtually all government and industry information and control systems rely upon computer professionals for systems development and maintenance. With the national workforce growing at only one percent annually and enrollments in computer and information sciences college programs declining, the need …
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Usabilidade do site da Universidade Federal da Paraíba
… of the last-year undergraduate students of Computer Science and Librarianship courses in the aforesaid university. It was based on two of the five Jakob Nielsen‟s usability attributes: Efficiency of Use and Subjective Satisfaction. For literature review, a research was carried out in various …
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An End-User Development Approach to Building Customizable Web-Based Document Workflow Management Systems
… - or the process of improving the efficiency and effectiveness of an organization through the automation of tasks), workflow management systems (WFMS) have emerged as fundamental supporting software tools. A WFMS must maintain process state while managing the utilization of people and …
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The Incident Dispatching and Tracking System
The Incident Dispatching and Tracking System (IDTS) was developed to facilitate the technical support of an organization. IDTS provides a means by which a user may submit their issue/problem to the system and receive a unique trouble ticket number. This number can then be used to view the status of …
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Cross-Modal Interface Design in Crisis Control Systems: The Role of Gender
Leading human-computer interaction (HCI) researchers recognize a fundamental difference exists between men and women. Some HCI research has been done regarding gender differences in hand-eye coordination for interactions with computer touch display interfaces, navigation through virtual …
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Comparative Study of C, Java, C# and Jython
… languages is a common topic among programmers and software developers. With the recent changes in programming standards and continual upgrades in hardware design, many new programming languages are being developed, while existing ones are currently going through several enhancements in terms of …
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Μελέτη και σχεδιασμός μηχανισμού δρομολόγησης για δίκτυα αισθητήρων
… problem deals with the authentication latency and the associated burden of multi-pass authentications. A novel mechanism called security binding is proposed that reduces the authentication delay of multi-pass authentications in a simple yet effective and secure manner. The focal point of the …
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Flexural Behavior of Laterally Damaged Full-Scale Bridge Girders Through the Use of Carbon Fiber Reinforced Polymers (CFRP)
ABSTRACT The repair and strengthening of concrete bridge members with CFRP has become increasingly popular over recent years. However, significant research is still needed in order to develop more robust guidelines and specifications. The research project aims to assist with improving design …
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ΠΑΡΑΛΛΗΛΟΙ ΑΛΓΟΡΙΘΜΟΙ ΣΧΕΔΙΑΣΜΟΥ ΤΡΟΧΙΑΣ ΡΟΜΠΟΤΙΚΩΝ ΒΡΑΧΙΟΝΩΝ ΚΑΙ ΑΠΟΣΥΖΕΥΞΗ ΜΗΓΡΑΜΜΙΚΩΝ ΣΥΣΤΗΜΑΤΩΝ
… TRAJECTORY PLANNING IS CONSIDERED FOR ONE AND TWO COOPERATING MANIPULATORS RESPECTIVELY. THIS PROBLEM IS REDUCED TO A MAXIMIZING PROBLEM UNDER A SET OF CONSTRAINTS. TWO APPROACHES ARE PRESENTED FOR THE SOLUTION OF THE MAXIMIZING PROBLEM. THE SECOND PART OF THE PH.D THESIS EXAMINES THE INPUT …
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ΑΛΓΟΡΙΘΜΟΙ ΔΙΑΜΕΛΙΣΜΟΥ ΓΡΑΜΜΙΚΗΣ ΕΚΤΙΜΗΣΗΣ-ΣΥΓΚΡΙΤΙΚΗ ΥΠΟΛΟΓΙΣΤΙΚΗ ΑΝΑΛΥΣΗ
… ESTIMATION ALGORITHMS ARE INITIALY PRESENTED, AND THE RELATED MERITS, WITH RESPECT TO THEIR COMPUTATIONAL REQUIREMENTS ARE EXAMINED AGAINST THREE OTHER PARTITIONING ALGORITHMS (LAINIOTIS GENERALIZED PARTITIONING ALGORITHM, RECURSIVE PARTITIONING ALGORITHM OF ANDRISANI, GAU AND THE LAINIOTIS …
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ΠΡΟΣΕΓΓΙΣΤΙΚΑ ΜΟΝΤΕΛΑ ΓΙΑ ΤΗΝ ΑΝΑΛΥΣΗ ΤΗΣ ΑΠΟΔΟΣΗΣ ΠΟΛΥΕΠΕΞΕΡΓΑΣΤΙΚΩΝ ΣΥΣΤΗΜΑΤΩΝ ΥΠΟΛΟΓΙΣΤΩΝ
… INTERESTING PROBLEMS OF DYNAMIC LOAD BALANCING AND BLOCKING, THAT ARE USED IN THE PERFORMANCE ANALYSIS OF DISTRIBUTED AND OTHER MULTIPROCESSING COMPUTER SYSTEMS. THIS METHOD IS ALSO VALIDATED BY SIMULATION RESULTS.
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ΧΕΙΡΟΤΕΡΗ ΚΑΙ ΜΕΣΗ ΣΥΜΠΕΡΙΦΟΡΑ ΠΑΡΑΛΛΗΛΩΝ ΑΛΓΟΡΙΘΜΩΝ ΓΙΑ ΠΡΟΒΛΗΜΑΤΑ ΓΡΑΦΩΝ
IN THIS THESIS FAST, OPTIMAL AND/OR EFFICIENT PARALLEL ALGORITHMS ARE DEVELOPEDFOR MANY IMPORTANT GRAPH PROBLEMS WHICH IMPROVE SIGNIFICANTLY THE COMPLEXITIESOF THE BEST PREVIOUS KNOWN PARALLEL ALGORITHMS ON THE SAME PROBLEMS. MORE PRECISELY WE INVESTIGATE, (I) THE WORST-CASE PARALLEL COMPLEXITY …
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ΓΡΗΓΟΡΟΙ ΑΛΓΟΡΙΘΜΟΙ ΓΙΑ ΤΗΝ ΤΑΥΤΟΠΟΙΗΣΗ ΣΥΣΤΗΜΑΤΩΝ ΜΕ ΓΡΑΜΜΙΚΗ ΦΑΣΗ
… . LATTICE, ADAPTIVE TRANSVERSAL, LEVINSON-TYPE AND SCHUR TYPE. THE INVOLVED INTERNAL VARIABLES ARE ALL SYMMETRIC BECAUSE THE ALGORITHMS ARE DEVELOPED SO AS TO RESPECT THE SYMMETRY WHICH IS INTRINSIC IN THE LINEAR PHASE PROBLEM. THE COMPUTATIONAL COMPLEXITY OF THE PROPOSED ALGORITHMS IS …
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Cross-Cultural Comparative Study of Users’ Perception of the Navigation Organization of an E-Commerce Web Application
… a web-based e-commerce application. The study expands on previous research by comparing English and Russian users. The research also considered demographic data to assess additional factors that influence behavior and task performance. The research design encompassed an online shopping application …
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ΜΕΘΟΔΟΛΟΓΙΑ ΠΡΟΒΛΕΨΗΣ ΖΗΤΗΣΗΣ ΗΛΕΚΤΡΙΚΗΣ ΕΝΕΡΓΕΙΑΣ
Η ΜΕΟΔΟΛΟΓΙΑ ΠΡΟΒΛΕΨΗΣ ΖΗΤΗΣΗΣ ΗΛΕΚΤΡΙΚΗΣ ΕΝΕΡΓΕΙΑΣ, ΠΟΥ ΠΡΟΤΕΙΝΕΤΑΙ, ΑΠΟΤΕΛΕΙΤΑΙ ΑΠΟ ΤΡΙΑ ΒΑΣΙΚΑ ΣΤΟΙΧΕΙΑ. ΤΟ ΠΡΩΤΟ ΣΤΟΙΧΕΙΟ ΕΙΝΑΙ Η ΑΠΟΚΤΗΣΗ ΕΝΟΣ ΣΥΝΟΛΟΥ ΔΕΔΟΜΕΝΩΝ, ΑΠΟ ΜΕΛΕΤΟΥΜΕΝΑ ΔΙΑΣΥΝΔΕΜΕΝΑ ΕΝΕΡΓΕΙΑΚΑ ΣΥΣΤΗΜΑΤΑ, ΥΣΤΕΡΑ ΑΠΟ ΜΕΛΕΤΗ ΤΩΝ ΝΟΜΩΝ ΠΟΥ ΔΙΕΠΟΥΝ ΤΗ ΛΕΙΤΟΥΡΓΙΑ ΤΟΥΣ. ΤΟ ΔΕΥΤΕΡΟ ΣΤΟΙΧΕΙΟ …
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ΤΕΧΝΙΚΕΣ ΣΧΕΔΙΑΣΜΟΥ ΠΑΡΑΛΛΗΛΩΝ ΑΛΓΟΡΙΘΜΩΝ ΚΑΙ Η ΕΦΑΡΜΟΓΗ ΤΟΥΣ ΣΕ ΠΡΟΒΛΗΜΑΤΑ ΓΡΑΦΩΝ
… THESIS, WE PROVIDE NEW TECHNIQUES FOR THE DESIGN AND ANALYSIS OF PARALLEL ALGORITHMS AND THEIR APPLICATION TO GRAPH PROBLEMS. MORE PRECISELY: 1. WE PRESENT A DETERMINISTIC TECHNIQUE BASED ON THE DECOMPOSITION OF A PLANAR DIGRAPH INTO SPECIAL OUTERPLANAR SUBGRAPHS CALLED HAMMOCKS. 2. WE PRESENT A …
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ΠΡΟΒΛΗΜΑΤΑ ΣΥΝΤΟΝΙΣΜΟΥ ΤΑΥΤΟΧΡΟΝΩΝ ΠΡΟΣΠΕΛΑΣΕΩΝ ΣΕ ΒΑΣΕΙΣ ΔΕΔΟΜΕΝΩΝ
… (MVSR) BASED ON CONFLICTS (MVCSR) AND DISCUSS ITS RELATION WITH THE WELL KNOWN SINGLE VERSION CONFLICT SERIALIZABILITY (CSR). WE PROVE THAT IT IS NP-COMPLETE TO DECIDE WHETHER A SET OF SCHEDULES IS ON-LINE SCHEDULABLE (OLS). WE INTRODUCE THE CONCEPT OF MAXIMAL OLS SETS AND SHOW THAT …
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ΕΠΙΛΥΣΗ ΠΡΟΒΛΗΜΑΤΩΝ ΧΩΡΟΘΕΤΗΣΗΣ ΚΕΝΤΡΩΝ ΠΑΡΟΧΗΣ ΥΠΗΡΕΣΙΩΝ ΣΕ ΔΙΚΤΥΟ
… LOCATION PROBLEM (FLP) IN SUCH WAY THAT ANY DEMAND POINT CAN BE SERVICED BY A FLP IN A TIME-DISTANCE LESS THAN A GIVEN T (PROBLEM (F)). PROBLEM (F) BELONGS TO THE WELL KNOWN CATEGORY OF NP-HARD PROBLEMS AND UNTIL NOW IT IS TACKLED UNDER THE FRAMEWORK OF THESET COVERING PROBLEM (SCP). IN THIS …
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Η λήψη αντικειμενικών αποφάσεων στην τεχνητή διατροφή με την βοήθεια ηλεκτρονικού υπολογιστή (Computer assisted medical decision making)
Malnutrition is common in surgical patients and may be an important determinant of operative morbidity and mortality. As in all branches of medicine the history is still the more important of diagnosis, so in nutritional assessment the clinical examination is used to identify patients likely to …
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ΑΥΤΟΠΡΟΣΑΡΜΟΖΟΜΕΝΟΙ ΑΛΓΟΡΙΘΜΟΙ ΑΥΤΟΜΑΤΟΥ ΕΛΕΓΧΟΥ: ΣΥΓΚΡΙΤΙΚΗ ΥΠΟΛΟΓΙΣΤΙΚΗ ΑΝΑΛΥΣΗ-ΠΑΡΑΛΛΗΛΙΣΜΟΣ
… OF THIS THESIS WAS THE STUDY OF BOTH KNOWN AND NEW ADAPTIVE CONTROL ALGORITHMS, FOR LINEAR, STOCHASTIC, DISCRETE TIME SYSTEMS, WITH UNKNOWN PARAMETERS. WE CONSIDERED FIRST THE CASE WHERE THE SYSTEM MODEL IS IN STATE SPACE FORM. THE TWO WELL KNOWN ADAPTIVE CONTROL ALGORITHMS, FOR SYSTEMS WITH …
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