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» Applications of integer relation algorithms
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136
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WEBDB
2010
Springer
155views Database» more  WEBDB 2010»
15 years 7 months ago
Learning Topical Transition Probabilities in Click Through Data with Regression Models
The transition of search engine users’ intents has been studied for a long time. The knowledge of intent transition, once discovered, can yield a better understanding of how diļ...
Xiao Zhang, Prasenjit Mitra
ICDT
2010
ACM
149views Database» more  ICDT 2010»
15 years 7 months ago
Mapping Polymorphism
We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
Ryan Wisnesky, Mauricio Hernandez, Lucian Popa
SAC
2009
ACM
15 years 7 months ago
Leveraging OWL for GIS interoperability: rewards and pitfalls
Information systems often require combining datasets available in different formats, and geographical information systems are no exception. While semantic technologies have been u...
Serge Boucher, Esteban Zimányi
ICDT
2001
ACM
162views Database» more  ICDT 2001»
15 years 7 months ago
Algebraic Rewritings for Optimizing Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
Gösta Grahne, Alex Thomo
126
Voted
DEXAW
1998
IEEE
116views Database» more  DEXAW 1998»
15 years 7 months ago
Data-Mining: A Tightly-Coupled Implementation on a Parallel Database Server
Due to the increasingly di culty of discovering patterns in real-world databases using only conventional OLAP tools, an automated process such as data mining is currently essentia...
Mauro Sousa, Marta Mattoso, Nelson F. F. Ebecken