2674 search results - page 461 / 535 » Data Models and Query Languages for Spatial Databases |
SIGMOD
1994
ACM
13 years 11 months ago
1994
ACM
We describe an algorithm for estimating the number of page fetches for a partial or complete scan of a B-tree index. The algorithm obtains estimates for the number of page fetches ...
BXML
2003
13 years 9 months ago
2003
We present an approach of how to automatically extract an XML document structure from a conceptual data model that describes the content of the document. We use UML class diagrams ...
SIGIR
1999
ACM
14 years 4 hour ago
1999
ACM
A content-based retrieval model for tackling the mismatch problems specific to music data is proposed and implemented. The system uses a pitch profile encoding for queries in any ...
EMNLP
2009
13 years 5 months ago
2009
Named entity disambiguation concerns linking a potentially ambiguous mention of named entity in text to an unambiguous identifier in a standard database. One approach to this task...
KDD
2012
ACM
11 years 10 months ago
2012
ACM
Tweets are the most up-to-date and inclusive stream of information and commentary on current events, but they are also fragmented and noisy, motivating the need for systems that c...