11160 search results - page 1806 / 2232 » Incompleteness in a General Setting |
333
click to vote
SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Users often try to accumulate information on a topic of interest from multiple information sources. In this case a user's informational need might be expressed in terms of an...
323
click to vote
SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
321
click to vote
SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...
321
click to vote
SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
When a database query has a large number of results, the user can only be shown one page of results at a time. One popular approach is to rank results such that the "best&quo...
329
click to vote
SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Ranking queries are essential tools to process large amounts of probabilistic data that encode exponentially many possible deterministic instances. In many applications where unce...