5954 search results - page 388 / 1191 » Querying Bi-level Information |
306
click to vote
GIS
2007
ACM
16 years 8 months ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
183
click to vote
CIKM
2007
Springer
16 years 1 months ago
2007
Springer
Pseudo-relevance feedback, or query expansion, has been shown to improve retrieval performance in the adhoc retrieval task. In such a scenario, a few top-ranked documents are assu...
193
click to vote
PODS
2010
ACM
15 years 12 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
191
click to vote
CIKM
2006
Springer
15 years 10 months ago
2006
Springer
The wide adoption of XML has increased the interest of the database community on tree-structured data management techniques. Querying capabilities are provided through tree-patter...
269
click to vote
SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
There has been a great deal of interest in the past few years on ranking of results of queries on structured databases, including work on probabilistic information retrieval, rank...