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Articles 271 - 300 of 307

Full-Text Articles in Graphics and Human Computer Interfaces

User Interface Design, Moritz Stefaner, Sebastien Ferre, Saverio Perugini, Jonathan Koren, Yi Zhang Jan 2009

User Interface Design, Moritz Stefaner, Sebastien Ferre, Saverio Perugini, Jonathan Koren, Yi Zhang

Computer Science Faculty Publications

As detailed in Chap. 1, system implementations for dynamic taxonomies and faceted search allow a wide range of query possibilities on the data. Only when these are made accessible by appropriate user interfaces, the resulting applications can support a variety of search, browsing and analysis tasks. User interface design in this area is confronted with specific challenges. This chapter presents an overview of both established and novel principles and solutions.

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An Exploratory Overview Of Teaching Computer Game Development, Mario Guimaraes, Meg C. Murray Oct 2008

An Exploratory Overview Of Teaching Computer Game Development, Mario Guimaraes, Meg C. Murray

Faculty Articles

The computer game industry has exploded reaching sales of several billion dollars a year and, consequently, a majority of college students are familiar with the gaming environment. In fact, videogame development has been cited as one way to motivate students to explore the world of Computer Science. However, most videogames are extremely complex computer programs created by a team of developers including programmers and graphic artists and represent thousands of hours of work. Fortunately there are software tools available that provide a way for simple computer games to be created fairly easily using a building block approach. This paper discusses …

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Mining Web-Functional Dependencies For Flexible Information Access, Saverio Perugini, Naren Ramakrishnan Oct 2007

Mining Web-Functional Dependencies For Flexible Information Access, Saverio Perugini, Naren Ramakrishnan

Computer Science Faculty Publications

We present an approach to enhancing information access through Web structure mining in contrast to traditional approaches involving usage mining. Specifically, we mine the hardwired hierarchical hyperlink structure of Web sites to identify patterns of term-term co-occurrences we call Web functional dependencies (FDs). Intuitively, a Web FD ‘x y’ declares that all paths through a site involving a hyperlink labeled x also contain a hyperlink labeled y. The complete set of FDs satisfied by a site help characterize (flexible and expressive) interaction paradigms supported by a site, where a paradigm is the set of explorable sequences therein. …

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The Future Of Information Systems Engineering, Keng Siau Sep 2007

The Future Of Information Systems Engineering, Keng Siau

Research Collection School Of Computing and Information Systems

No abstract provided.

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Sub Space: Enhancing The Spatial Awareness Of Trainee Submariners Using 3d Simulation Environments, Michael Garrett Jan 2007

Sub Space: Enhancing The Spatial Awareness Of Trainee Submariners Using 3d Simulation Environments, Michael Garrett

Theses : Honours

Rapid advancements in computer technology have facilitated the development of practical and economically feasible three dimensional (3D) computer-generated simulation environments that have been utilized for training in a number of different fields. In particular, this development has been heavily influenced by innovations within the gaming industry, where First Person Shooter (FPS) games are often considered to be on the cutting edge of gaming technology in terms of visual fidelity and performance. 3D simulation environments built upon FPS gaming technologies can be used to realistically represent real world places, while also providing a dynamic and responsive experiential based learning environment for …

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Modeling Heterogeneous User Churn And Local Resilience Of Unstructured P2p Networks, Zhongmei Yao, Derek Leonard, Dmitri Loguinov, Xiaoming Wang Nov 2006

Modeling Heterogeneous User Churn And Local Resilience Of Unstructured P2p Networks, Zhongmei Yao, Derek Leonard, Dmitri Loguinov, Xiaoming Wang

Computer Science Faculty Publications

Previous analytical results on the resilience of unstructured P2P systems have not explicitly modeled heterogeneity of user churn (i.e., difference in online behavior) or the impact of in-degree on system resilience. To overcome these limitations, we introduce a generic model of heterogeneous user churn, derive the distribution of the various metrics observed in prior experimental studies (e.g., lifetime distribution of joining users, joint distribution of session time of alive peers, and residual lifetime of a randomly selected user), derive several closed-form results on the transient behavior of in-degree, and eventually obtain the joint in/out degree isolation probability as a simple …

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Student Interactive Campus Map At Marshall University, Edward Aractingi, Jamie Wolfe Jun 2006

Student Interactive Campus Map At Marshall University, Edward Aractingi, Jamie Wolfe

IT Research

Marshall University is a state-funded university in Huntington, West Virginia. Like many universities, it is a large organization with multiple and diverse units (colleges, departments, centers, etc.) and depends on data to run efficiently. Much of this data is used by multiple entities. To better manage the needed data collected by the university, the Marshall University Geographic Information System (MUGIS) has been developed. MUGIS will address several needs of Marshall University’s principal stakeholders. Stakeholders include the university administration, faculty, and students. One of the first applications developed for MUGIS was an interactive campus map. This Web-based application is intended to …

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Personalization Of Web Services: A Study On The Fit Between Web Tasks And Personalization Mechanisms, Fiona Fui-Hoon Nah, Keng Siau, Min Ling Aug 2005

Personalization Of Web Services: A Study On The Fit Between Web Tasks And Personalization Mechanisms, Fiona Fui-Hoon Nah, Keng Siau, Min Ling

Research Collection School Of Computing and Information Systems

Personalization is increasingly being considered an important ingredient of Web applications. In most cases, personalization techniques and mechanisms are used for tailoring information services to user needs. It is motivated by the recognition that a user has needs, and meeting them successfully is likely to lead to a satisfying relationship and re-use of the Web services offered. However, if the personalization mechanisms do not match the needs depicted by the tasks, it will decrease user satisfaction and performance. In this research, we use the cognitive fit theory to examine the fit between personalization mechanisms and Web tasks.

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Automatically Discovering The Number Of Clusters In Web Page Datasets, Zhongmei Yao Jun 2005

Automatically Discovering The Number Of Clusters In Web Page Datasets, Zhongmei Yao

Computer Science Faculty Publications

Clustering is well-suited for Web mining by automatically organizing Web pages into categories, each of which contains Web pages having similar contents. However, one problem in clustering is the lack of general methods to automatically determine the number of categories or clusters. For the Web domain in particular, currently there is no such method suitable for Web page clustering. In an attempt to address this problem, we discover a constant factor that characterizes the Web domain, based on which we propose a new method for automatically determining the number of clusters in Web page data sets. We discover that the …

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Personalization By Program Slicing, Saverio Perugini, Naren Ramakrishnan Apr 2005

Personalization By Program Slicing, Saverio Perugini, Naren Ramakrishnan

Computer Science Faculty Publications

Personalization involves customizing information access to the end-user. As any new area of computer science research it lacks formal models to guide the design of systems. In this paper, we present a modeling methodology, based on generative programming, for personalizing interactions with hierarchical websites. The methodology entails modeling a user’s interaction with a site in a program and applying program slicing to personalize the interaction. While preserving interactivity, this approach does not require the designer to anticipate all possible user interactions a priori and provide interfaces for each. Moreover, it provides a theoretical, systematic, and implementation-neutral way to design systems …

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The Good, Bad And The Indifferent: Explorations In Recommender System Health, Benjamin J. Keller, Sun-Mi Kim, N. Srinivas Vemuri, Naren Ramakrishnan, Saverio Perugini Jan 2005

The Good, Bad And The Indifferent: Explorations In Recommender System Health, Benjamin J. Keller, Sun-Mi Kim, N. Srinivas Vemuri, Naren Ramakrishnan, Saverio Perugini

Computer Science Faculty Publications

Our work is based on the premise that analysis of the connections exploited by a recommender algorithm can provide insight into the algorithm that could be useful to predict its performance in a fielded system. We use the jumping connections model defined by Mirza et al. [6], which describes the recommendation process in terms of graphs. Here we discuss our work that has come out of trying to understand algorithm behavior in terms of these graphs. We start by describing a natural extension of the jumping connections model of Mirza et al., and then discuss observations that have come from …

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The Staging Transformation Approach To Mixing Initiative, Robert Capra, Michael Narayan, Saverio Perugini, Naren Ramakrishnan, Manuel A. Pérez-Quiñones Jan 2003

The Staging Transformation Approach To Mixing Initiative, Robert Capra, Michael Narayan, Saverio Perugini, Naren Ramakrishnan, Manuel A. Pérez-Quiñones

Computer Science Faculty Publications

Mixed-initiative interaction is an important facet of many conversational interfaces, flexible planning architectures, intelligent tutoring systems, and interactive information retrieval systems. Software systems for mixed-initiative interaction must enable us to both operationalize the mixing of initiative (i.e., support the creation of practical dialogs) and to reason in real-time about how a flexible mode of interaction can be supported (e.g., from a meta-dialog standpoint). In this paper, we present the staging transformation approach to mixing initiative, where a dialog script captures the structure of the dialog and dialog control processes are realized through generous use of program transformation techniques (e.g., partial …

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Personalizing Interactions With Information Systems, Saverio Perugini, Naren Ramakrishnan Jan 2003

Personalizing Interactions With Information Systems, Saverio Perugini, Naren Ramakrishnan

Computer Science Faculty Publications

Personalization constitutes the mechanisms and technologies necessary to customize information access to the end-user. It can be defined as the automatic adjustment of information content, structure, and presentation tailored to the individual. In this chapter, we study personalization from the viewpoint of personalizing interaction. The survey covers mechanisms for information-finding on the web, advanced information retrieval systems, dialog-based applications, and mobile access paradigms. Specific emphasis is placed on studying how users interact with an information system and how the system can encourage and foster interaction. This helps bring out the role of the personalization system as a facilitator which reconciles …

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Crafting A Research Paper, Ronan Fitzpatrick, Kevin O'Donnell Jan 2003

Crafting A Research Paper, Ronan Fitzpatrick, Kevin O'Donnell

Conference papers

Writing research papers presents numerous different challenges, which vary from how to layout the various pages and format the text to what to include in the different sections that make up the paper. In order to clarify these issues this paper sets out guidelines and best practice approaches and demonstrates their use in the style of this paper.

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Safe Robot Driving, Chuck Thorpe, Romuald Aufrere, Justin David Carlson, David Duggins, Terrence W. Fong, Jay Gowdy, John Kozar, Robert Maclachlan, Colin Mccabe, Christoph Mertz, Arne Suppe, Chieh Chih Wang, Teruko Yata Sep 2002

Safe Robot Driving, Chuck Thorpe, Romuald Aufrere, Justin David Carlson, David Duggins, Terrence W. Fong, Jay Gowdy, John Kozar, Robert Maclachlan, Colin Mccabe, Christoph Mertz, Arne Suppe, Chieh Chih Wang, Teruko Yata

Research Collection School Of Computing and Information Systems

The Navlab group at Carnegie Mellon University has a long history of development of automated vehicles and intelligent systems for driver assistance. The earlier work of the group concentrated on road following, cross-country driving, and obstacle detection. The new focus is on short-range sensing, to look all around the vehicle for safe driving. The current system uses video sensing, laser rangefinders, a novel light-stripe rangefinder, software to process each sensor individually, and a map-based fusion system. The complete system has been demonstrated on the Navlab 11 vehicle for monitoring the environment of a vehicle driving through a cluttered urban environment, …

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Association Of 3d Visualization With Discrete Event Simulation, Krishna Chaitanya Kunam Apr 2002

Association Of 3d Visualization With Discrete Event Simulation, Krishna Chaitanya Kunam

Electrical & Computer Engineering Theses & Dissertations

Three-dimensional visualization provides simulation users with imagery that is closely related to their direct human experience. 3D visualization of simulations therefore has several advantages: it assists the developer in verifying and debugging the simulation; it often aids the analyst in gaining a better understanding of system performance; and it is especially important in explaining simulation results to the customer. This work presents a method of associating 3D visualizations to discrete event simulations for process simulations. A software system called 3DGen is developed that automates the process of generating a 3D visualization for a discrete event simulation. The 3DGen system is …

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Lecture On-Line/On-Demand, Siew Ping Foo Jan 2001

Lecture On-Line/On-Demand, Siew Ping Foo

Student Works (2000-2009)

The on-line/on-demand lecture broadcasting is an ideal approach to meet the demand of effective and efficient communication for the fast growing web and multimedia technology. Thus, this project, the development of Lecture On-Line/On-Demand (LOL/LOD) broadcasting system provides the common functional components required for broadcasting both real time and not real time lectures. This will have resolved some existing education delivery bottlenecks such as time inconvenience, location dependence, space and tools limitation in the existing systems.Furthermore, there are viewer and administrator modules proposed for the LOL/LOD system. The viewer section allows the user to view, sort, search on-line or on-demand lectures …

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V-Faculty, Kee Foo Leong Jan 2001

V-Faculty, Kee Foo Leong

Student Works (2000-2009)

The technology of graphics is moving to the era of three dimensions (30). In 1970s, people were using the text-based computer system. When the technique of 2D image processing was invented, people changed their system into 2D representation because of its ability to explain more information in only one image. Around 1990s 3D graphics have been pushed out to the market. Soon, people accepted 3D as an advance information representation medium. The most important achievement of 3D technology is the making of virtual reality, which provides human unlimited space and interactivity. The v- Faculty applies the concept of virtual reality …

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Online Whiteboard, Bing Suang Chong Jan 2001

Online Whiteboard, Bing Suang Chong

Student Works (2000-2009)

The Network Integrated Whiteboard System is a audio integrated, graphics and network related application. This application creates a new pace on real-time presentation integrated with voice conferencing through networks, which are suitable for lecture presentation and Computer Based Education (CBE). This huge system will divide into three subsystems, or modules, and our team, which are constructed with three members, assign each subsystem to every member. The three subsystem mentioned are the whiteboard module, voice communication module and the server module. Mr. Wong Chan Weng will in charge in the voice communication module while Mr. Lee Chee Ching will cover the …

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Storage Free Terrain Simulation, Warren Creemers Jan 2001

Storage Free Terrain Simulation, Warren Creemers

Theses : Honours

Landscape visualisation is the process of recreating a natural environment and displaying it in an interactive graphical simulation. To do this a terrain is displayed together with accompanying plant life and other objects. Present landscape visualisation software is capable in theory of displaying very detailed and large landscapes. The software is also in theory capable of simulating environments with thousands if not millions of individually structured plants. In practice though, the simulation of such landscapes requires such a large amount of storage space that it is not achievable on personal computers. Even storing small landscapes with a moderate amount plant …

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Meeting Scheduling System (Mss), Mun Ting Ng Jan 2001

Meeting Scheduling System (Mss), Mun Ting Ng

Student Works (2000-2009)

Meeting Scheduling System (MSS) is a web-based system developed to support the organization of meetings, that is for each meeting request, a suitable meeting date can be determine based on constraints like meeting location, equipment and the number of invitees that can attend the meeting. Besides that, Meeting Scheduling System (MSS) allow users to check if the invitees are available to attend a meeting, and will inform participants on details about meetings tl1at involve them. It is to avoid the possibility of scheduling a person to attend two or more meetings at one time. Other than that, Meeting Scheduling System …

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Sistem Perpustakaan Maya (Pengkhususan Kertas-Kertas Teknikal), Talib Noor Azimah Sep 2000

Sistem Perpustakaan Maya (Pengkhususan Kertas-Kertas Teknikal), Talib Noor Azimah

Student Works (2000-2009)

Perkembangan teknologi pada masa kini begitu pantas berlari mengikut arus peredaran zaman. Pelbagai perisian sistem yang telah dihasilkan mengikut keperluan, kehendak dan kesesuaian masa. Keadaan inilah yang telah memungkinkan pembangunan sebuah Sistem Perpustakaan Maya (SPMA) di mana ia merupakan sistem bermaklumat secara atas talian (online). SPMA merupakan sebuah sistem di atas talian yang memainkan peranan bagi membekalkan pelbagai sumber maklumat berbentuk kertas teknikal (technical paper) seperti yang dikehendaki oleh pengguna. Sistem ini dibangunkan di atas talian adalah bertujuan supaya ia boleh dicapai oleh para pengguna dari seluruh dunia. Matlamat utama sistem ini adalah bagi membantu memudahkan pengguna di dalam mencapai …

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Pengkalan Web Bermaklumat Untuk Pmr (Bahasa Inggeris), Shuaid Ema Shuaida Aug 2000

Pengkalan Web Bermaklumat Untuk Pmr (Bahasa Inggeris), Shuaid Ema Shuaida

Student Works (2000-2009)

Dunia sekarang sedang menuju ke era yang lebih digital di mana teknologi maklumat menjadi satu wadah yang penting terutamanya di dalam bidang pendidikan. Bidang pendidikan juga maju setapak ke hadapan dengan penggunaan pengajaran yang berasaskan multimedia dan CD-Rom. la termasuk dengan kewujudan laman web yang berasaskan grafik dan teks yang menarik. Oleh itu, projek yang bakal dibangunkan ini iaitu Pangkalan Web Bermaklumat untuk Pelajar Penilaian Menengah Rendah (PMR), khusus untuk mata pelajaran bahasa lnggeris juga memberi banyak kemudahan dan kebaikan kepada pelajar-pelajar dan guru-guru yang memerlukannya. Objektif utama projek ini ialah untuk membangunkan pangkalan web yang menarik, padat, teliti dan …

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Webwordpro Version 2.0 The Web-Based Word Processing System, Koon How Lin Aug 2000

Webwordpro Version 2.0 The Web-Based Word Processing System, Koon How Lin

Student Works (2000-2009)

Nowadays in this era of information technology computerized word processors have become a very common and essential need to everyone. From leisure to serious manner, it is used for typing letters, assignments, reports, paperwork and etc. It also enables people to keep data and manage it in a more secure and efficient way. With the current popularity and expansion of the Internet, Web-based applications become a new platform for the evolution of business system. Well, from this point, come the idea of providing the word processing system through Internet or online. WebWordPro 2.0, which is the upgraded version of Web …

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Pakej Pembelajaran Rangkaian Komputer Dan Komunikasi Data (Rangkomdata), Jusoh Noorakmal Aug 2000

Pakej Pembelajaran Rangkaian Komputer Dan Komunikasi Data (Rangkomdata), Jusoh Noorakmal

Student Works (2000-2009)

Penggunaan perisian yang berbentuk CD atau web semakin mendapat perhatian dan sambutan terutamanya dikalangan pelajar. Namun begitu pakej pembelajaran terutamanya dalam Bahasa Melayu untuk pelajar lPT masih lagi berkurangan di pasaran Menyedari hakikat inilah ia mendorong saya untuk membangunkan pakej pembelajaran bermultimedia seperti ini. Berdasarkan kepada kajian yang dijalankan, sambutan dari kalangan pelajar adalah begitu menggalakkan. Projek yang dibangunkan ini, adalah bertajuk Pakej Pembelajaran Rangkaian Komputer dan Komunikasi Data atau panggilan ringkasnya Pakej RANGKOMDATA Bermultimedia. Perisian ini adalah diharapkan dapat rnembantu proses pembelajaran para pelajar jurusan sains komputer dan teknologi maklumat yang mengikuti kurus ini. Pakej RANGKOMDATA ini adalah satu …

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Traffic Scheduling And Link Sharing Mechanisms For Controlled Load Service, Yun Choong Chin Jul 2000

Traffic Scheduling And Link Sharing Mechanisms For Controlled Load Service, Yun Choong Chin

Student Works (2000-2009)

The project studies and develops a simulator based on the link-sharing and traffic scheduling mechanism for Controlled Load service. The simulation adopts some of the features of the Class Based Queueing. The main factors that determine whether a packet scheduling algorithm is able to support integrated services or differentiated services on Internet is the ability to provide bandwidth guarantee. It is important to provide guarantee for minimum bandwidth when there are enough demands to ensure competing data flows do· not degrade each others' performance. The objective of this project is to observe the performance of the link-sharing and traffic scheduling …

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Pembangunan Laman Web Bermultimedia Bagi Sebuah Sekolah, Kaliappan Malathi May 2000

Pembangunan Laman Web Bermultimedia Bagi Sebuah Sekolah, Kaliappan Malathi

Student Works (2000-2009)

Laman web sekolah ini merupakan sebuah laman web bermultimedia yang mengandungi unsur-unsur multimedia seperti bunyi, grafik, imej dan animasi. Objektif utama laman web ini adalah untuk membangunkan satu sistem multimedia yang bermutu tinggi, mengetahui keputusan peperiksaan awam, mengetahui maklumat ahli-ahli organisasi sekolah iaitu guru-guru dan kakitangan lain kerana ke semua maklumat ini telah dimasukkan dalam pangkalan data, memberi maklumat tentang aktiviti tahunan dan ko-kurikulum sekolah. Dengan adanya laman web ini, maklumat dapat diperoleh tanpa mengunjungi sekolah tersebut. Secara amnya, laman web ini mengandungi semua maklumat tentang sekolah tersebut seperti sejarah sekolah, organisasi sekolah, pencapaian akademik, kurikulum, kokurikulum, aktiviti tahunan, kemudahan …

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Multimedia Kuronthogai, Sellappan Mohan Jan 2000

Multimedia Kuronthogai, Sellappan Mohan

Student Works (2000-2009)

Project Multimedia Kuronthogai is a Final Year Project (Thesis) offered by the Faculty of Computer Science & Information Technology. This project was divided into Thesis I and Thesis II and supervised by my project supervisor Assoc. Prof. Dr. N.Selvanathan. The moderator for this project is Cik Hannyzzura Affal. Kuronthogai is a one of the Tamil anthologies. It contains 401 poems. The theme of these poems is love and the verse are of the five lands (tinais) in appropriate time. Most of the Tamil literatures are in the form of a book. Only few of them are in Multimedia environment. It …

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Peralatan Membaca Untuk Golongan Kurang Penglihatan, Abd Rahman Fadzli Jan 2000

Peralatan Membaca Untuk Golongan Kurang Penglihatan, Abd Rahman Fadzli

Student Works (2000-2009)

Oalam menghadapi cabaran era sains dan teknoIogi pada alaf ini teknologi maklumat rnenjadi tunjang utama dalam informasi dan kegunaan terhadap setiap goIongan masyarakat.Oieh itu setiap kelebihannya haruslah dapat dirasai Ieh setiap goIongan masyarakat. Oieh itu satu sistem telah dibangunkan untuk membantu golongan kurang penglihatan dalam pembacaan. Sistem ini dibangunkan dalah untuk menbantu golongan kurang penglihatan dalam pembacaan teks atau perkataan dengan penggunaan komputer. Sistem Peralatan Membaca Untuk Golongan Kurang Penglihatan Versi Bahasa Melayu ini adalah merupakan sistem yang menggunakan konsep text-to-speech. Input sistem adalah merupakan teks atau perkataan yang dimasukkan oleh pengguna dan pembacaan teks atau perkataan adalah merupakan output …

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Laman Maklumat Berasaskan Web Untuk Pelajar-Pelajar Spm Khusus Matapelajaran Fizik Dan Bahasa Melayu, Kamis Faridah Jan 2000

Laman Maklumat Berasaskan Web Untuk Pelajar-Pelajar Spm Khusus Matapelajaran Fizik Dan Bahasa Melayu, Kamis Faridah

Student Works (2000-2009)

Saya telah memilih untuk membangunkan sebuah halaman web yang mampu menyediakan capaian kepada laman-laman lain yang mengandungi nota latihan contoh-contoh soalan dan beberapa kaedah pembelajaran yang berguna untuk pelajar-pelajar tingkatan 5. Dengan kata lain, laman ini cuba bertindak sebagai pintu masuk ke laman-laman lain yang ada menawarkan pelbagai bahan-bahan keperluan untuk para pelajar. Untuk memastikan laman spm ini dapat bertindak sebagai tapak pengumpul yang cekap dan berkesan maka satu fungsi enjin pencari telah dilaksanakan untuk membolehkan pelajar-pelajar membuat pencarian sumber-sumber. Hasilnya, pelajar-pelajar tidak perlu membuang masa dan tenaga untuk menjelajah mana-mana Iaman yang tidak berkaitan serta belum pasti lagi menepati …

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