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KDD
2012
ACM
257views Data Mining» more  KDD 2012»
13 years 9 months ago
Aggregating web offers to determine product prices
Historical prices are important information that can help consumers decide whether the time is right to buy a product. They provide both a context to the users, and facilitate the...
Rakesh Agrawal, Samuel Ieong
ICDE
2006
IEEE
139views Database» more  ICDE 2006»
16 years 8 months ago
MiniCount: Efficient Rewriting of COUNT-Queries Using Views
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
Prodromos Malakasiotis, Václav Lín, ...
ICDE
1999
IEEE
126views Database» more  ICDE 1999»
16 years 8 months ago
Improving the Access Time Performance of Serpentine Tape Drives
This paper presents a general model for estimating access times of serpentine tape drives. The model is used to schedule I/O requests in order to minimize the total access time. W...
Olav Sandstå, Roger Midtstraum
PODS
2006
ACM
134views Database» more  PODS 2006»
16 years 6 months ago
Approximate quantiles and the order of the stream
Recently, there has been an increased focus on modeling uncertainty by distributions. Suppose we wish to compute a function of a stream whose elements are samples drawn independen...
Sudipto Guha, Andrew McGregor
CIKM
2009
Springer
16 years 1 months ago
Using domain ontology for semantic web usage mining and next page prediction
This paper proposes the integration of semantic information drawn from a web application’s domain knowledge into all phases of the web usage mining process (preprocessing, patte...
Nizar R. Mabroukeh, Christie I. Ezeife