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SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
16 years 6 months ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
JCDL
2010
ACM
187views Education» more  JCDL 2010»
15 years 8 months ago
Social network document ranking
In search engines, ranking algorithms measure the importance and relevance of documents mainly based on the contents and relationships between documents. User attributes are usual...
Liang Gou, Xiaolong Zhang, Hung-Hsuan Chen, Jung-H...
CLEF
2010
Springer
15 years 7 months ago
Validating Query Simulators: An Experiment Using Commercial Searches and Purchases
Abstract. We design and validate simulators for generating queries and relevance judgments for retrieval system evaluation. We develop a simulation framework that incorporates exis...
Bouke Huurnink, Katja Hofmann, Maarten de Rijke, M...
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
16 years 6 months ago
FleXPath: Flexible Structure and Full-Text Querying for XML
Querying XML data is a well-explored topic with powerful databasestyle query languages such as XPath and XQuery set to become W3C standards. An equally compelling paradigm for que...
Sihem Amer-Yahia, Laks V. S. Lakshmanan, Shashank ...
SIGMOD
2010
ACM
199views Database» more  SIGMOD 2010»
15 years 4 months ago
Keyword search across databases and documents
Given the continuous growth of databases and the abundance of diverse files in modern IT environments, there is a pressing need to integrate keyword search on heterogeneous inform...
Carlos Garcia-Alvarado, Carlos Ordonez