1778 search results - page 308 / 356 » The Theory of Probabilistic Databases |
VLDB
2007
ACM
15 years 4 months ago
2007
ACM
Real-world datasets exhibit a complex dependency structure among the data attributes. Learning this structure is a key task in automatic statistics configuration for query optimi...
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MIR
2004
ACM
15 years 3 months ago
2004
ACM
In content-based image retrieval, relevance feedback has been introduced to narrow the gap between low-level image feature and high-level semantic concept. Furthermore, to speed u...
PODS
2010
ACM
15 years 3 months ago
2010
ACM
In the last few years, a lot of attention has been paid to the specification and subsequent manipulation of schema mappings, a problem which is of fundamental importance in metad...
ADBIS
2000
Springer
15 years 2 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
VLDB
1997
ACM
15 years 2 months ago
1997
ACM
Data is often stored in summarized form, as a histogram of aggregates (COUNTs, SUMs, or AVeraGes) over speci ed ranges. We study how to estimate the original detail data from the ...