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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
LREC
2010
14 years 11 months ago
2010
This paper deals with the main problems that arise in the query translation process in dictionary-based Cross-lingual Information Retrieval (CLIR): translation selection, presence...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
The K-Nearest Neighbor search (kNN) problem has been investigated extensively in the past due to its broad range of applications. In this paper we study this problem in the contex...
VLDB
2010
ACM
14 years 8 months ago
2010
ACM
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...