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» The Complexity of Query Reliability
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SOFSEM
2010
Springer
14 years 5 months ago
Flavors of KWQL, a Keyword Query Language for a Semantic Wiki
Abstract. This article introduces KWQL, spoken “quickel”, a rulebased query language for a semantic wiki based on the label-keyword query paradigm. KWQL allows for rich combine...
François Bry, Klara A. Weiand
DEXA
2006
Springer
139views Database» more  DEXA 2006»
14 years 19 days ago
Distributed Continuous Range Query Processing on Moving Objects
Recent work on continuous queries has focused on processing queries in very large, mobile environments. In this paper, we propose a system leveraging the computing capacities of mo...
Haojun Wang, Roger Zimmermann, Wei-Shinn Ku
AAAI
2008
13 years 11 months ago
Mining Translations of Web Queries from Web Click-through Data
Query translation for Cross-Lingual Information Retrieval (CLIR) has gained increasing attention in the research area. Previous work mainly used machine translation systems, bilin...
Rong Hu, Weizhu Chen, Jian Hu, Yansheng Lu, Zheng ...
ICDT
2010
ACM
194views Database» more  ICDT 2010»
13 years 11 months ago
Bag Equivalence of XPath Queries
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...
Sara Cohen, Yaacov Y. Weiss
PVLDB
2008
104views more  PVLDB 2008»
13 years 8 months ago
Scalable multi-query optimization for exploratory queries over federated scientific databases
The diversity and large volumes of data processed in the Natural Sciences today has led to a proliferation of highlyspecialized and autonomous scientific databases with inherent a...
Anastasios Kementsietsidis, Frank Neven, Dieter Va...