229 search results - page 14 / 46 » Materialized View Maintenance Using Version Numbers |
SIGMOD
2006
ACM
14 years 10 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
EDBT
1998
ACM
14 years 2 months ago
1998
ACM
An importantuse of data warehousing is to provide temporal views over the history of source data that may itself be non-temporal. While recent work in view maintenance is applicab...
ICDT
1999
ACM
14 years 2 months ago
1999
ACM
Electronic newsgroups are one of the primary means for the dissemination, exchange and sharing of information. We argue that the current newsgroup model is unsatisfactory, especial...
ICCV
2003
IEEE
14 years 11 months ago
2003
IEEE
We derive a new class of photometric invariants that can be used for a variety of vision tasks including lighting invariant material segmentation, change detection and tracking, a...
SIGMOD
2011
ACM
13 years 19 days ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...