205 search results - page 2 / 41 » Optimizing Multiple Top-K Queries over Joins |
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
Keyword search is considered to be an effective information discovery method for both structured and semistructured data. In XML keyword search, query semantics is based on the con...
COOPIS
2002
IEEE
13 years 10 months ago
2002
IEEE
Mobile services offering multi-feature query capabilities must meet tough response time requirements to gain customer acceptance. The top-k query model is a popular candidate to im...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
While database management systems offer a comprehensive solution to data storage, they require deep knowledge of the schema, as well as the data manipulation language, in order to...
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
This paper investigates the problem of incremental joins of multiple ranked data sets when the join condition is a list of arbitrary user-defined predicates on the input tuples. ...