929 search results - page 82 / 186 » Answering imprecise database queries: a novel approach |
174
click to vote
SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
160
click to vote
SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
177
click to vote
AAAI
2008
15 years 8 months ago
2008
Current search engines cannot effectively rank those relational data, which exists on dynamic websites supported by online databases. In this study, to rank such structured data, ...
126
click to vote
ICDT
1990
ACM
15 years 10 months ago
1990
ACM
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...
240
click to vote
ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
For their scalability needs, data-intensive Web applications can use a Database Scalability Service (DBSS), which caches applications' query results and answers queries on th...