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WISE
2007
Springer
14 years 1 months ago
Querying Capability Modeling and Construction of Deep Web Sources
Information in a deep Web source can be accessed through queries submitted on its query interface. Many Web applications need to interact with the query interfaces of deep Web sour...
Liangcai Shu, Weiyi Meng, Hai He, Clement T. Yu
HPCC
2005
Springer
14 years 1 months ago
Distributed Query Optimization in the Stack-Based Approach
Abstract. We consider query execution strategies for object-oriented distributed databases. There are several scenarios of query decomposition, assuming that the corresponding quer...
Hanna Kozankiewicz, Krzysztof Stencel, Kazimierz S...
VLDB
1997
ACM
94views Database» more  VLDB 1997»
13 years 11 months ago
Describing and Using Query Capabilities of Heterogeneous Sources
Information integration systems have to cope with the different and limited query interfaces of the underlying information sources. First, the integration systems need description...
Vasilis Vassalos, Yannis Papakonstantinou
ECIR
2008
Springer
13 years 9 months ago
Using Coherence-Based Measures to Predict Query Difficulty
Abstract. We investigate the potential of coherence-based scores to predict query difficulty. The coherence of a document set associated with each query word is used to capture the...
Jiyin He, Martha Larson, Maarten de Rijke
WSDM
2010
ACM
203views Data Mining» more  WSDM 2010»
14 years 4 months ago
Query Reformulation Using Anchor Text
Query reformulation techniques based on query logs have been studied as a method of capturing user intent and improving retrieval effectiveness. The evaluation of these techniques...
Van Dang, Bruce W. Croft