2145 search results - page 255 / 429 » Pattern-Based Query Answering |
155
Voted
SIGMOD
2012
ACM
13 years 4 months ago
2012
ACM
We study the notion of regret ratio proposed in [19] to deal with multi-criteria decision making in database systems. The regret minimization query proposed in [19] was shown to h...
248
Voted
ICDE
2009
IEEE
16 years 3 months ago
2009
IEEE
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...
212
Voted
ICDE
2003
IEEE
16 years 3 months ago
2003
IEEE
XML path queries form the basis of complex filtering of XML data. Most current XML path query processing techniques can be divided in two groups. Navigation-based algorithms compu...
200
Voted
SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
128
Voted
SIGMOD
2002
ACM
16 years 2 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...