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» Developing Query Patterns
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ICDE
2008
IEEE
132views Database» more  ICDE 2008»
15 years 11 months ago
The Space Complexity of Processing XML Twig Queries Over Indexed Documents
Abstract-- Current twig join algorithms incur high memory costs on queries that involve child-axis nodes. In this paper we provide an analytical explanation for this phenomenon. In...
Mirit Shalem, Ziv Bar-Yossef
SIGMOD
1999
ACM
136views Database» more  SIGMOD 1999»
15 years 2 months ago
Query Rewriting for Semistructured Data
We address the problem of query rewriting for TSL, a language for querying semistructured data. We develop and present an algorithm that, given a semistructured query q and a set ...
Yannis Papakonstantinou, Vasilis Vassalos
ICDE
2007
IEEE
120views Database» more  ICDE 2007»
15 years 4 months ago
Support Concurrent Queries in Multiuser CBIR Systems
Various techniques have been developed for different query types in content-based image retrieval (CBIR) systems such as sampling queries, constrained sampling queries, multiple c...
Danzhou Liu, Kien A. Hua
CIKM
2007
Springer
15 years 3 months ago
SLOQUE: slot-based query expansion for complex questions
Searching answers to complex questions is a challenging IR task. In this paper, we examine the use of query templates with semantic slots to formulate slot-based queries. These qu...
Maggy Anastasia Suryanto, Ee-Peng Lim, Aixin Sun, ...
DAGSTUHL
2007
14 years 11 months ago
Discovering Knowledge from Local Patterns with Global Constraints
It is well known that local patterns are at the core of a lot of knowledge which may be discovered from data. Nevertheless, use of local patterns is limited by their huge number an...
Bruno Crémilleux, Arnaud Soulet