243 search results - page 40 / 49 » Selectivity Estimation for Boolean Queries |
XSYM
2004
Springer
15 years 2 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
163
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IAAI
2011
13 years 9 months ago
2011
NewsFinder automates the steps involved in finding, selecting and publishing news stories that meet subjective judgments of relevance and interest to the Artificial Intelligence c...
164
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SIGMOD
2009
ACM
15 years 9 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...
ISCI
2008
14 years 9 months ago
2008
The Semantic Web is the next step of the current Web where information will become more machine-understandable to support effective data discovery and integration. Hierarchical sc...
DEXAW
2007
IEEE
14 years 11 months ago
2007
IEEE
Due to the lack of efficient native XML database management systems, XML data manipulation and query evaluation may be resource-consuming, and represent a bottleneck for several ...