371 search results - page 56 / 75 » Updating Atomic Information in Labelled Database Systems |
SIGMOD
1999
ACM
13 years 11 months ago
1999
ACM
Research and products for the integration of heterogeneous legacy source databases in data warehousing have addressed numerous data quality problems in or between the sources. Suc...
VLDB
1998
ACM
13 years 11 months ago
1998
ACM
Numerous applications such as stock market or medical information systems require that both historical and current data be logically integrated into a temporal database. The under...
ICDT
1995
ACM
13 years 11 months ago
1995
ACM
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
KDD
2012
ACM
11 years 9 months ago
2012
ACM
Tweets are the most up-to-date and inclusive stream of information and commentary on current events, but they are also fragmented and noisy, motivating the need for systems that c...
SIGMOD
2010
ACM
14 years 7 days ago
2010
ACM
Scientific data offers some of the most interesting challenges in data integration today. Scientific fields evolve rapidly and accumulate masses of observational and experiment...