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Relational Databases for Querying XML Documents: Limitations and Opportunities

by Jayavel Shanmugasundaram, Kristin Tufte, Gang He, Chun Zhang, David DeWitt, Jeffrey Naughton , 1999
"... XML is fast emerging as the dominant standard for representing data in the World Wide Web. Sophisticated query engines that allow users to effectively tap the data stored in XML documents will be crucial to exploiting the full power of XML. While there has been a great deal of activity recently prop ..."
Abstract - Cited by 478 (9 self) - Add to MetaCart
XML is fast emerging as the dominant standard for representing data in the World Wide Web. Sophisticated query engines that allow users to effectively tap the data stored in XML documents will be crucial to exploiting the full power of XML. While there has been a great deal of activity recently

The physiology of the grid: An open grid services architecture for distributed systems integration

by Ian Foster , 2002
"... In both e-business and e-science, we often need to integrate services across distributed, heterogeneous, dynamic “virtual organizations ” formed from the disparate resources within a single enterprise and/or from external resource sharing and service provider relationships. This integration can be t ..."
Abstract - Cited by 1377 (33 self) - Add to MetaCart
be technically challenging because of the need to achieve various qualities of service when running on top of different native platforms. We present an Open Grid Services Architecture that addresses these challenges. Building on concepts and technologies from the Grid and Web services communities

Efficient Filtering of XML Documents for Selective Dissemination of Information

by Mehmet Altınel , 2000
"... Information Dissemination applications are gaining increasing popularity due to dramatic improvements in communications bandwidth and ubiquity. The sheer volume of data available necessitates the use of selective approaches to dissemination in order to avoid overwhelming users with unnecessaryi ..."
Abstract - Cited by 364 (17 self) - Add to MetaCart
sophisticated filtering mechanisms that take structure information into account. We have developed several index organizations and search algorithms for performing efficient filtering of XML documents for large-scale information dissemination systems. In this paper we describe these techniques and examine

A Query Language for XML

by Alin Deutsch, Mary Fernandez, Daniela Florescu, Alon Levy, Dan Suciu , 1998
"... An important application of XML is the interchange of electronic data (EDI) between multiple data sources on the Web. As XML data proliferates on the Web, applications will need to integrate and aggregate data from multiple source and clean and transform data to facilitate exchange. Data extraction, ..."
Abstract - Cited by 340 (22 self) - Add to MetaCart
language and is simple enough that it can be optimized. XML-QL can extract data from existing XML documents and construct new XML documents. Keywords: XML, query languages, electronic-data interchange (EDI) 1. Introduction The goal of XML is to provide many of SGML's benefits not available in HTML

Reconciling Schemas of Disparate Data Sources: A Machine-Learning Approach

by Anhai Doan, Pedro Domingos, Alon Halevy - In SIGMOD Conference , 2001
"... A data-integration system provides access to a multitude of data sources through a single mediated schema. A key bottleneck in building such systems has been the laborious manual construction of semantic mappings between the source schemas and the mediated schema. We describe LSD, a system that empl ..."
Abstract - Cited by 424 (50 self) - Add to MetaCart
that LSD can incorporate domain constraints as an additional source of knowledge, and develop a novel learner that utilizes the structural information in XML documents. Our approach thus is distinguished in that it incorporates multiple types of knowledge. Importantly, its architecture is extensible

XMark: A Benchmark for XML Data Management

by Albrecht Schmidt, Florian Waas, Martin Kersten, Michael J. Carey, Ioana Manolescu, Ralph Busse - In VLDB , 2002
"... While standardization efforts for XML query languages have been progressing, researchers and users increasingly focus on the database technology that has to deliver on the new challenges that the abundance of XML documents poses to data management: validation, performance evaluation and optimi ..."
Abstract - Cited by 348 (20 self) - Add to MetaCart
While standardization efforts for XML query languages have been progressing, researchers and users increasingly focus on the database technology that has to deliver on the new challenges that the abundance of XML documents poses to data management: validation, performance evaluation

XRANK: Ranked Keyword Search over XML Documents

by Lin Guo, Feng Shao, Chavdar Botev, Jayavel Shanmugasundaram , 2003
"... We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating ..."
Abstract - Cited by 261 (1 self) - Add to MetaCart
We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating

Storing and querying ordered xml using a relational database system

by Igor Tatarinov, Kevin Beyer, Jayavel Shanmugasundaram - In SIGMOD , 2002
"... XML is quickly becoming the de facto standard for data exchange over the Intemet. This is creating a new set of data management requirements involving XML, such as the need to store and query XML documents. Researchers have proposed using relational database systems to satisfy these requirements by ..."
Abstract - Cited by 283 (3 self) - Add to MetaCart
XML is quickly becoming the de facto standard for data exchange over the Intemet. This is creating a new set of data management requirements involving XML, such as the need to store and query XML documents. Researchers have proposed using relational database systems to satisfy these requirements

Structural Joins: A Primitive for Efficient XML Query Pattern Matching

by Shurug Al-Khalifa, H. V. Jagadish, Nick Koudas, Jignesh M. Patel, Divesh Srivastava, Yuqing Wu - In ICDE , 2002
"... XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relationships are parent-child and ancestor-descendant, and finding all occurrences of these structural relationships in an XML da ..."
Abstract - Cited by 279 (27 self) - Add to MetaCart
the stack-tree algorithms have no counterpart in traditional relational join processing. We present experimental results on a range of data and queries using (i) the Timber native XML query engine built on top of SHORE, and (ii) a commercial relational database system. In all cases, our structural join

Efficient filtering of XML documents with XPath expressions

by Chee-yong Chan, Pascal Felber, Minos Garofalakis, Rajeev Rastogi , 2002
"... cychan,pascal,minos,rastogi¡ We propose a novel index structure, termed XTrie, that supports the efficient filtering of XML documents based on XPath expressions. Our XTrie index structure offers several novel features that make it especially attractive for largescale publish/subscribe systems. First ..."
Abstract - Cited by 203 (13 self) - Add to MetaCart
cychan,pascal,minos,rastogi¡ We propose a novel index structure, termed XTrie, that supports the efficient filtering of XML documents based on XPath expressions. Our XTrie index structure offers several novel features that make it especially attractive for largescale publish/subscribe systems
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