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ICDE
2004
IEEE
137views Database» more  ICDE 2004»
16 years 8 months ago
Selectivity Estimation for XML Twigs
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
CC
2007
Springer
16 years 24 days ago
A Declarative Framework for Analysis and Optimization
DeepWeaver-1 is a tool supporting cross-cutting program analysis and transformation components, called “weaves”. Like an aspect, a DeepWeaver weave consists of a query part, an...
Henry Falconer, Paul H. J. Kelly, David M. Ingram,...
SIGIR
2006
ACM
16 years 17 days ago
Regularized estimation of mixture models for robust pseudo-relevance feedback
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
Tao Tao, ChengXiang Zhai
ESWS
2005
Springer
16 years 4 days ago
AquaLog: An Ontology-Portable Question Answering System for the Semantic Web
As semantic markup becomes ubiquitous, it will become important to be able to ask queries and obtain answers, using natural language (NL) expressions, rather than the keyword-based...
Vanessa Lopez, Michele Pasin, Enrico Motta
CLEF
2003
Springer
15 years 12 months ago
The CLEF 2003 Interactive Track
The CLEF 2003 Interactive Track (iCLEF) was the third year of a shared experiment design to compare strategies for cross-language search assistance. Two kinds of experiments were p...
Douglas W. Oard, Julio Gonzalo