176 search results - page 22 / 36 » Supporting ranking queries on uncertain and incomplete data |
ICWSM
2009
13 years 5 months ago
2009
User generated content is extremely valuable for mining market intelligence because it is unsolicited. We study the problem of analyzing users' sentiment and opinion in their...
VLDB
2006
ACM
14 years 7 months ago
2006
ACM
For querying structured and semistructured data, data retrieval and document retrieval are two valuable and complementary techniques that have not yet been fully integrated. In thi...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...
DEBU
2007
13 years 7 months ago
2007
An indexing model is the heart of an Information Retrieval (IR) system. Data structures such as term based inverted indices have proved to be very effective for IR using vector sp...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
— Previous studies on supporting keyword queries in RDBMSs provide users with a ranked list of relevant linked structures (e.g. joined tuples) or individual tuples. In this paper...