131 search results - page 22 / 27 » On efficiently summarizing categorical databases |
DBISP2P
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. This paper addresses the problem of data placement, indexing, and querying large XML data repositories distributed over an existing P2P service infrastructure. Our archit...
DEBU
2002
13 years 7 months ago
2002
Spatio-temporal databases store information about the positions of individual objects over time. In many applications however, such as traffic supervision or mobile communication ...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
KDD
2006
ACM
14 years 8 months ago
2006
ACM
As a fundamental data mining task, frequent pattern mining has widespread applications in many different domains. Research in frequent pattern mining has so far mostly focused on ...
PVLDB
2008
13 years 7 months ago
2008
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...