118 search results - page 13 / 24 » Greedy algorithms for on-line set-covering and related probl... |
104
Voted
PODS
2003
ACM
15 years 9 months ago
2003
ACM
We consider the view selection problem for XML content based routing: given a network, in which a stream of XML documents is routed and the routing decisions are taken based on re...
120
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WEA
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. Mobile users are roaming in a zone of cells in a cellular network system. The probabilities of each user residing in each cell are known, and all probabilities are indepe...
79
Voted
DAWAK
2001
Springer
15 years 2 months ago
2001
Springer
Multi-Dimensional Expressions (MDX) provide an interface for asking several related OLAP queries simultaneously. An interesting problem is how to optimize the execution of an MDX q...
AAAI
1993
14 years 11 months ago
1993
learning (EBL) component. In this paper we provide a brief review of FOIL and FOCL, then discuss how operationalizing a domain theory can adversely affect the accuracy of a learned...
APWEB
2004
Springer
15 years 3 months ago
2004
Springer
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...