586 search results - page 57 / 118 » Ranking queries on uncertain data |
SIGIR
2003
ACM
14 years 27 days ago
2003
ACM
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
BMCBI
2010
13 years 7 months ago
2010
Background: Advances in biotechnology and in high-throughput methods for gene analysis have contributed to an exponential increase in the number of scientific publications in thes...
EDBT
2010
ACM
13 years 9 months ago
2010
ACM
Users who are unfamiliar with database query languages can search XML data sets using keyword queries. Current approaches for supporting such queries are either for textcentric XM...
LICS
2009
IEEE
14 years 2 months ago
2009
IEEE
—We introduce extensions of first-order logic (FO) and fixed-point logic (FP) with operators that compute the rank of a definable matrix. These operators are generalizations o...
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
As the Web has evolved into a data-rich repository, with the standard “page view,” current search engines are becoming increasingly inadequate for a wide range of query tasks....