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» A study of query length
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173
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ICDT
2011
ACM
242views Database» more  ICDT 2011»
14 years 6 months ago
Knowledge compilation meets database theory: compiling queries to decision diagrams
The goal of Knowledge Compilation is to represent a Boolean expression in a format in which it can answer a range of online-queries in PTIME. The online-query of main interest to ...
Abhay Kumar Jha, Dan Suciu
DEXAW
2009
IEEE
105views Database» more  DEXAW 2009»
15 years 10 months ago
Comparing Different Approaches to Treat Translation Ambiguity in CLIR: Structured Queries vs. Target Co-occurrence Based Selecti
—Two main problems in Cross­language Information  Retrieval are translation selection and the treatment of out­of­ vocabulary  terms.  In this  paper,  we Â...
Xabier Saralegi, Maddalen Lopez de Lacalle
127
Voted
ICDT
2007
ACM
158views Database» more  ICDT 2007»
15 years 9 months ago
Coupling Fragments of XPath with XML Indexing and Query Decomposition
Abstract. Recent studies have proposed structural summary techniques for pathquery evaluation on semi-structured data sources. One major line of this research
George H. L. Fletcher, Dirk Van Gucht, Yuqing Wu, ...
ICDE
2008
IEEE
129views Database» more  ICDE 2008»
16 years 4 months ago
Hierarchical Indexing Approach to Support XPath Queries
We study new hierarchical indexing approach to process XPATH queries. Here, a hierarchical index consists of index entries that are pairs of queries and their (full/partial) answer...
Jeffrey Xu Yu, Kam-Fai Wong, M. Tamer Özsu, N...
GIS
2005
ACM
16 years 4 months ago
Spatial queries in sensor networks
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...
Amir Soheili, Vana Kalogeraki, Dimitrios Gunopulos