CALIBER 2005:Kochi

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Analysis and Synthesis for Pyramid Based Textures
(INFLIBNET Centre, 2005-02-02) Karthikeyani, V; Duraiswamy, K; Kamalakkannan, P
This paper describes a method for synthesizing images that match the texture appearance of a given digitized sample. This synthesis is completely automatic and requires only the “target” texture as input. It allows generation of as much texture as desired so that any object can be covered. It can be used to produce solid textures for creating textured 3-d objects without the distortions inherent in texture mapping. It can also be used to synthesize texture mixtures, images that look a bit like each of several digitized samples. The approach is based on a model of human texture perception, and has potential to be a practically useful tool for graphics applications.
Automatic Ontology Generation for Semantic Search System Using Data Mining Techniques
(INFLIBNET Centre, 2005-02-02) Reshmy, K R; Srivatsa, S K; Prasad, Sandhya
Here we present about automatically generated ontologies for a semantic web search system using data mining techniques. This will improve the query process and will get better semantic results. Ranking algorithm[1] is used to search and analyze web documents in a more flexible and effective way. Hyperlink structure of web document is utilized to rank the results. We use association rule mining to find the maximal keyword patterns. Clustering is used to group retrieved documents into distinct sets. This will extract knowledge about query from the web, populate a knowledge base. The search engine that searches the web documents so far are syntactic oriented. Here we develop a searching system that semantically searches the documents. The semantics of the terms is achieved using the ontologies. Ontology serves as Meta data schemas, providing a controlled vocabulary of concepts, each with explicitly defined meaning. Ranking algorithm used here is the hyper textual ranking algorithm that scans both the contents of the documents and also the reciprocally linked documents. This technique has several advantages that include providing better semantic notion during the search. It also serves for multiple frame documents. There is a need for automatic generation of ontologies when using the semantic searching system. The paper here focuses on how the automatic generation of ontologies could be done for a semantic search system using data mining techniques.
A Brief Evaluation of Search Facilities and Search Results of Few Resources Accessible through INDEST Consortium
(INFLIBNET Centre, 2005-02-02) Sahoo, Kshyanaprava; Jeevan, V K J
The Indian National Digital Library in Science and Technology consortium, setup by the Ministry of Human Resource Development, Government of India has currently over 140 institutions as members who are taking advantage of cost effective access of premier resources in science, technology and management. Out of the different resources accessible under this consortium, the present study selected four major resources, such as ACM Digital Library, IEEE/IEE Electronic Library, ScienceDirect of Elsevier, and Springer Link to make a comparative assessment of the key features and quantity of records in these. The results identified are presented in tabular form. More exhaustive studies are further planned to categorically identify the best resource to answer a crucial query and in identifying the inherent benefits and limitations of each resource.
Building the German Digital Library Vascoda: Building the German Digital Library Vascoda:
(INFLIBNET Centre, 2005-02-02) Pianos, Tamara
vascoda (www.vascoda.de) is a new portal for scientific information – it is the nucleus of the German digital library. vascoda is a central access point for interdisciplinary searches ranging from humanities and social sciences to medical studies, engineering, and more. Access to all types of documents is made possible: born-digital as well as digitised and print materials can be obtained either free of charge or through pay-per-view options. The service already includes full-texts, link-collections, databases, subject-specific search engines and more. More than forty German institutions – mostly libraries and other information specialists are working together to offer users an actual one-stop-shop for all scientific information. The first release of vascoda was realized through the co-operation of the network of subjectbased Virtual Libraries sponsored by the DFG (German Research Society) as well as the Information Alliance and the Electronic Journals Library sponsored by the BMBF (Federal Ministry for Education and Research). Together, these institutions make it possible to combine the search for information and the access to full-text documents. Some of the journal articles and other documents can be accessed free of charge from anywhere in the world, the licence information for Germany is provided by the Electronic Journals Library and other partners. In this paper, the services of vascoda and examples of how to find quality information for different fields of study will be presented. In spring 2005, a number of new services will be provided. This paper will also look into some of the future developments of vascoda.
Building Up Digital Resources for Effective E-learning Programmes
(INFLIBNET Centre, 2005-02-02) Devi, T Rama
Today on line education using computer-mediated communication to connect the learners and the instructors via the Internet (asynchronous learning networks) is more effective. Online queries are more in use than the traditional class tests. Tutorials conucted in traditional ways are all replaced by audio-visual conferences, e-mail, chat, listservers, news groups, simulations and guest chat on the Internet. Thus new learning modes and media is being initiated for enhancement of quality. The present paper discusses about the concept of digital library and building up of digital resources collection for effective E-Learning programmes. The importance of digitized grey literature collection to enhance the quality of e-learning programmes is highlighted. The digital exposition is a remedial answer by the little screen but extensive knowledge becomes positive and possible through a resourceful digital database.
Challenges of Multimedia Watermarking Techniques
(INFLIBNET Centre, 2005-02-02) Jayabalan, E.; Krishnan, A.; Pugazendi, R.
Data transmitted through a network may be protected from unauthorized receivers by applying techniques based on cryptography. Only people who possess the appropriate private key can decrypt the received data using a public algorithm implemented either in hardware or in software. Fast implementation of encryption-decryption algorithms is highly desirable. Data-content manipulation can be performed for various legal or illegal purposes (compression, noise removal or malicious data modification). The modified product is not authentic with respect to the original one. The technology of multimedia services grows rapidly, and distributed access to such ser-vices through computer networks is a matter of urgency. However, network access does not protect the copyright of digital products that can be reproduced and used illegally. An efficient way to solve this problem is to use watermarks. A watermark is a secret code described by a digital signal carrying information about the copyright property of the product. The watermark is embedded in the digital data such that it is perceptually not visible. The copyright holder is the only person who can show the existence of his own watermark and to prove the origin of the product Reproduction of digital products is easy and inexpensive. In a network environment, like the Web, retransmission of copies all throughout the world is easy. The problem of protecting the intellectual property of digital products has been treated in the last few years with the introduction of the notion of watermarks.
Consortia Developments in Library and Information Centres : Some Issues
(INFLIBNET Centre, 2005-02-02) H, Jayaprakash; Bachalapur, M M
Due to increase in the cost of journals, dwindling library budgets and proliferation of electronic information resources, libraries have been involved in cooperation, coordination and collaboration in resource sharing. The emergence of information technology made library professionals to change their role as navigator of information and come closer willingly to share available information with other libraries. Libraries and Information Services (LIS) are being transformed by technology; consequently, LIS have to adopt to meet their user’s changing needs and growing expectations. Included among the resource sharing initiatives conceived by libraries in India is the creation of a computerized network or consortium of all LIS to achieve optimum use. This paper presents the consortia developments in the library and information centers in India.
Content and Information Management with Special Reference to India
(INFLIBNET Centre, 2005-01-02) Sharma, J C
This paper describes the basic concepts and meaning of Content and Information Management. It elaborates what and why Information Management. Its advantages and challenges along with effects on Indian Scenario have also been discussed.
Content Management in Digital Libraries
(INFLIBNET Centre, 2005-02-02) Nazi, Mohd; Nisha, Faizul
Discusses briefly the concept and characteristics of digital library. Digital library is simply an online system providing access to a variety of contents such as various kinds of electronic media(text, image, video ed),licensed databases of journals, articles and abstracts and description of physical collections. The functions of content management such as selection and acquisition,indexing,storage,retrieval,maintenance and intellectual rights are discussed. Issues regarding the research in the development and management of digital contents are highlighted
Critical Challenges in Natural Language Processing
(INFLIBNET Centre, 2005-02-02) Prakashe, Veena A
In this paper, the author attempts to enlist some of the basic bottlenecks that pose challenges while designing the automation of any natural language understanding system. In the beginning, some background material on the study of language and an overview of linguistics is presented for the benefit of the reader who might be new to the fields of artificial intelligence and cognitive science. Natural language systems are also discussed briefly so as to give a better insight into the processing of natural languages by computer systems. Then the three major threats or challenges of natural language processing, viz. knowledge acquisition from natural language; interaction with multiple underlying systems; and partial understanding of multi-sentence and fragments of language are discussed.
Current Status and Process in the Development of Applications Through NLP
(INFLIBNET Centre, 2005-02-02) Rathod, V R; Shah, S M; Modi, Nileshkumar K
The development of natural language processing systems has resulted in their being increasingly used in support of other computer programs. This trend is particularly noticeable with regard to information management applications. Natural language processing provides a potential means of gaining access to the information inherent in the large amount of text and available through the Internet. In the following survey, we look in further details at the recent trends in research in natural language processing and conclude with a discussion of some applications of this research to the solution of information management problems.
Digital Knowledge Resources for Agribusiness Development
(INFLIBNET Centre, 2005-02-02) Ahuja, J P S; Rawtani, M R
The article attempts to describe the concept of Agribusiness and the role of mapping the appropriate knowledge for Agribusiness Development. Also listed are some of the important digital information sources in Agribusiness with a special reference to the India specific resources.
Digital Libraries : A Boon for Information Seekers
(INFLIBNET Centre, 2005-02-02) Shrivastava, Mridulata; Ingle, Chitra
Now a days, people responsible for organization and dissemination of informations are steadily switching over from traditional means to electronic tools of documentation system. In this connection the developments in electronic technology, digital libraries have come in vogue to help and support the librarians and users. Digital libraries collect, store, organize and disseminate the information in digital format. This paper explains that how the digitization can help in providing accurate information timely and save time of users and space for data storage, i.e. the data and information specially required by the scientists and research scholars.
Digital Libraries and Open Source Software
(INFLIBNET Centre, 2005-02-02) Naik, Umesha; Shivalingaiah, D
Open source software (OSS) is popular with technically sophisticated users, who are often also the software developers, and has not yet made a significant impact on the desktop of most users. OSS has much potential for libraries and information centres, and there are a number of projects, including Greenstone, DSpace and Ganesha, etc that demonstrates its viability in this context. OSS is becoming an increasingly popular software development method. This paper highlights what is an OSS, its features, software licensing, advantages and disadvantages. The paper also highlights the features, functions and use of three popular digital libraries software viz. Greenstone, DSpace and Ganesha.
Digital Libraries and Services
(INFLIBNET Centre, 2005-02-02) Paulraj, K; Kanthimathi, S; Balasubramanian, P
The digital library presents an opportunity for the traditional library and the librarian. Libraries and librarians have significant expertise to offer the creators of digital libraries, for example, skills in organising information.Traditional libraries will not be replaced by digital libraries, certainly not in the near future, and probably never. The reality will be hybrid libraries, with librarians needing to be able to operate in two environments: the first, physical libraries and physical collections; and the second, digital information resources. The goal will be to satisfy the information needs of the user community, regardless of whether the information needed is available in digital form or physical formats.
Digital Libraries in Knowledge Based Society : Prospects and Issues
(INFLIBNET Centre, 2005-02-02) Vikas, Om
Our information and knowledge environment has been and continues to be changed by the development of the Internet and ubiquitous communication technologies. Information and knowledge are replacing capital and energy as the primary wealth-creating assets, just as the latter two replaced land and labor many years ago. In addition, technological developments in the 20th century have transformed the majority of wealth-creating work from physically-based to “knowledge-based.” Technology and knowledge are now the key factors in development of economy of the country. With increased mobility of information and the global work force, knowledge and expertise can be transported instantaneously around the world. We are now an information society in a knowledge economy where knowledge management is essential. The paper presents an overview of the role of digital libraries in the knowledge economy, its prospects and issues.
Digital Library Management in German University Libraries : The Bochum Perspective
(INFLIBNET Centre, 2005-02-02) Lapp, Erda
The presentation demonstrates cooperative approaches in the field of digital library development in Germany from the perspective of Bochum University Library. It demonstrates the integrated OPAC, the regional union catalog, a search engine for national/international catalog resources, solutions for accessing international periodicals titles in printed and in electronic form, a database of databases, a regional digital library and further relevant national initiatives. The paper argues for teaching information competence, for integrating e-learning and e-publishing into the library’s information architecture and for international cooperation to further enhance information products and services.
Digital Library of Theses and Dessertations
(INFLIBNET Centre, 2005-02-02) Rathinasabapathy, G
Building of Digital Library largely depends on the nature of content and quality of digital resources. The digital library resources include electronic journals, electronic books, fulltext CD-ROM databases, etc. In research and academic institutions, theses, dissertations and research reports play a vital role as primary sources of information since they contain information of research value. Therefore, most of the research scholars refer to these documents regularly. To ensure easy and wider access to these documents, a digital library of theses and dissertations has been established in Tamilnadu Veterinary and Animal Sciences University and connected with the Intranet of the university. The digital library provides access to the constituent units of the university including remote colleges. This paper discusses in brief about the establishment of the digital library of theses and dissertations.
Digital Mapping of Area Studies: A Dynamic Tool for Cultural Exchange
(INFLIBNET Centre, 2005-02-02) Kuffalikar, Chitra Rekha; Rajyalakshmi, D.
The paper stresses the importance of Area Studies by visualizing the digital technology as a strong effective tool for Digital mapping. It emphasis the importance of rare documentary sources related to Area studies with special emphasis on the ‘Area research on Nagpur’. The article highlights the Digital mapping projects at various levels and gives a bird’s eye view of the work being carried out at the local level.
Digital Preservation of Art, Architectural and Sculptural Heritage of Malwa (Madhya Pradesh)
(INFLIBNET Centre, 2005-02-02) Kumar, S; Shah, Mukesh Kumar; Shah, Leena
Digitization is also an outcome of development of technologies. The distinct form of art and culture requires preservation for the study of mankind and its progress. Paper stresses need to capture them in digitized form for future interest of the researchers. It will also give an account of art and architecture and sculpture of Malwa region of Madhya Pradesh (India). It had one of the ancient civilizations in India and World. History of Malwa region of Madhya Pradesh (India) dates to prehistoric period. The archeological excavation and heritage structures of Malwa are of no less importance than any other part of India. Much is being done on digitization of manuscripts but very little is thought of these valuable heritage structures lying unprotected and open. Digitization of cultural heritage will be best preservation for future generations’ .The paper suggest for 3 dimensional picturization of these heritages and preserve in digital form. It also suggests for hardware, software and human ware requirements for such work and gives a plan and provides few beautiful slides. A practical LCD projection of digitized heritage site is also prepared.

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