2850 search results - page 67 / 570 » Answering Queries using Humans, Algorithms and Databases |
134
click to vote
DAGSTUHL
1998
15 years 3 months ago
1998
Hypothetical queries are queries embedding hypotheses about the database. The embedded hypothesis in a hypothetical query indicates, so to say, a state of the database intended for...
145
click to vote
CIKM
2007
Springer
15 years 8 months ago
2007
Springer
Regular path queries (RPQ’s) are given by means of regular expressions and ask for matching patterns on labeled graphs. RPQ’s have received great attention in the context of s...
172
Voted
ICDE
2011
IEEE
14 years 5 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
136
Voted
DPD
2002
15 years 1 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
118
click to vote
BMCBI
2005
15 years 1 months ago
2005
Background: The MEDLINE database contains over 12 million references to scientific literature, ut 3/4 of recent articles including an abstract of the publication. Retrieval of ent...