Results 1 - 7 of 7

Efficient extraction of schemas for XML documents

by Jun-ki Min, Jae-yong Ahn, Chin-wan Chung - Inf. Process. Lett , 2003
"... In this paper, we present a technique for efficient extraction of concise and accurate schemas for XML documents. By restricting the schema form and applying some heuristic rules, we achieve the efficiency and conciseness. The result of an experiment with real-life DTDs shows that our approach attai ..."
Abstract - Cited by 14 (0 self) - Add to MetaCart
In this paper, we present a technique for efficient extraction of concise and accurate schemas for XML documents. By restricting the schema form and applying some heuristic rules, we achieve the efficiency and conciseness. The result of an experiment with real-life DTDs shows that our approach

Secure XML Querying with Security Views

by Wenfei Fan, Chee-Yong Chan, Minos Garofalakis , 2004
"... The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing sensitive information to unauthorized users. This paper introduces a novel paradigm for specifying XML security constrain ..."
Abstract - Cited by 98 (10 self) - Add to MetaCart
-control model for XML and its implications on the XML query-execution engine. Furthermore, it is among the first efforts for query rewriting and optimization in the presence of general DTDs for a rich class of XPath queries. An empirical study based on real-life DTDs verifies the ef...

Abstract Secure XML Querying with Security Views

by Wenfei Fan
"... The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing sensitive information to unauthorized users. This paper introduces a novel paradigm for specifying XML security constrain ..."
Abstract - Add to MetaCart
-control model for XML and its implications on the XML query-execution engine. Furthermore, it is among the first efforts for query rewriting and optimization in the presence of general DTDs for a rich class of XPath queries. An empirical study based on real-life DTDs verifies the effectiveness of our approach

XTRACT: A System for Extracting Document Type Descriptors from XML Documents

by Minos Garofalakis, Aristides Gionis, Rajeev Rastogi, S. Seshadri, Kyuseok Shim - MOD , 20001999
"... XML is rapidly emerging as the new standard for data representation and exchange on the Web. An XML document can be accompanied by a Document Type Descriptor (DTD) which plays the role of a schema for an XML data collection. DTDs contain valuable information on the structure of documents and thus ha ..."
Abstract - Cited by 125 (4 self) - Add to MetaCart
” candidate DTDs, (2) factoring candidate DTDs using adaptations of algorithms from the logic optimization literature, and (3) applying the Minimum Description Length (MDL) principle to find the best DTD among the candidates. The results of our experiments with real-life and synthetic DTDs demonstrate

XTRACT: Learning Document Type Descriptors From XML Document Collections

by Minos Garofalakis, Aristides Gionis, Rajeev Rastogi, S. Seshadri, KYUSEOK SHIM , 2003
"... XML is rapidly emerging as the new standard for data representation and exchange on the Web. Unlike HTML, tags in XML documents describe the semantics of the data and not how it is to be displayed. In addition, an XML document can be accompanied by a Document Type Descriptor (DTD) which plays the ..."
Abstract - Cited by 28 (1 self) - Add to MetaCart
of algorithms from the logic optimization literature, and (3) applying the Minimum Description Length (MDL) principle to find the best DTD among the candidates. The results of our experiments with real-life and synthetic DTDs demonstrate the effectiveness of XTRACT’s approach in inferring concise

Abstract

by Minos Garofalakis, Aristides Gionis, S. Seshadri, Strand Genomics, Rajeev Rastogi, Kyuseok Shim
"... XML is rapidly emerging as the new standard for data representation and exchange on the Web. Unlike HTML, tags in XML documents describe the semantics of the data and not how it is to be displayed. In addition, an XML document can be accompanied by a Document Type Descriptor (DTD) which plays the ro ..."
Abstract - Add to MetaCart
of algorithms from the logic optimization literature, and (3) applying the Minimum Description Length (MDL) principle to find the best DTD among the candidates. The results of our experiments with real-life and synthetic DTDs demonstrate the effectiveness of XTRACT’s approach in inferring concise

Perspective An Online Bioinformatics Curriculum

by David B. Searls
"... Abstract: Online learning initia-tives over the past decade have become increasingly comprehen-sive in their selection of courses and sophisticated in their presen-tation, culminating in the recent announcement of a number of consortium and startup activities that promise to make a university educat ..."
Abstract - Add to MetaCart
education on the internet, free of charge, a real possibility. At this pivotal moment it is appropriate to explore the potential for obtaining comprehensive bioinformatics training with currently existing free video resources. This article pre-sents such a bioinformatics curric-ulum in the form of a virtual
Results 1 - 7 of 7