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SIGMOD
2007
ACM
144views Database» more  SIGMOD 2007»
14 years 7 months ago
The TopX DB&IR engine
This paper proposes a demo of the TopX search engine, an extensive framework for unified indexing, querying, and ranking of large collections of unstructured, semistructured, and ...
Martin Theobald, Ralf Schenkel, Gerhard Weikum
SIGMOD
2005
ACM
99views Database» more  SIGMOD 2005»
14 years 7 months ago
LiXQuery: a formal foundation for XQuery research
XQuery is considered to become the standard query language for XML documents. However, the complete XQuery syntax and semantics seem too complicated for research and educational p...
Jan Hidders, Philippe Michiels, Jan Paredaens, Roe...
ICALP
2005
Springer
14 years 1 months ago
Logics for Unranked Trees: An Overview
Labeled unranked trees are used as a model of XML documents, and logical languages for them have been studied actively over the past several years. Such logics have different purpo...
Leonid Libkin
XSYM
2005
Springer
87views Database» more  XSYM 2005»
14 years 1 months ago
Relational Index Support for XPath Axes
In this paper, we designed efficient indexing structure for XML documents so that each basic XPath axis step is supported. The indexing structure is built on top of the B+ -tree wh...
Leo Yuen, Chung Keung Poon
VL
2003
IEEE
157views Visual Languages» more  VL 2003»
14 years 26 days ago
FoXQ -XQuery by forms
We introduce FoXQ, a visual language that would enable end users to query XML. Our aim is to develop a language that would bring a lot of the functionality of XQuery within the re...
Robin Abraham