308 search results - page 9 / 62 » Sharing aggregate computation for distributed queries |
CORR
2012
Springer
13 years 5 months ago
2012
Springer
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
ICDT
2010
ACM
15 years 6 months ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
140
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PREMI
2011
Springer
14 years 7 days ago
2011
Springer
This paper presents a potential seed selection algorithm for web crawlers using a gain - share scoring approach. Initially we consider a set of arbitrarily chosen tourism queries. ...
HPDC
2002
IEEE
15 years 2 months ago
2002
IEEE
Peer-to-peer (P2P) computing grids consist of peer nodes that communicate directly among themselves through wide-area networks and can act as both clients and servers. These syste...
116
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EDBT
2012
ACM
12 years 11 months ago
2012
ACM
Record linkage analysis, which matches records referring to the same real world entities from different data sets, is an important task in data integration. Uncertainty often exi...