274 search results - page 19 / 55 » Computational complexity of queries based on itemsets |
107
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ICDT
1999
ACM
15 years 4 months ago
1999
ACM
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
95
Voted
AMR
2005
Springer
15 years 6 months ago
2005
Springer
Abstract. Different strategies to learn user semantic queries from dissimilarity representations of video audio-visual content are presented. When dealing with large corpora of vi...
FOCS
2009
IEEE
15 years 7 months ago
2009
IEEE
Statistical query (SQ) learning model of Kearns is a natural restriction of the PAC learning model in which a learning algorithm is allowed to obtain estimates of statistical prop...
99
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ICCSA
2009
Springer
15 years 7 months ago
2009
Springer
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
99
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QSHINE
2009
IEEE
15 years 7 months ago
2009
IEEE
The deployment of sensor networks is both widespread and varied with more niche applications based on these networks. In the case study provided in this work, the network is provid...