307 search results - page 43 / 62 » Generalized syntactic and semantic models of query reformula... |
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
ECAI
1990
Springer
13 years 11 months ago
1990
Springer
In case-based reasoning (CBR) a problem is solved by matching the problem description to a previously solved case, using the past solution in solving the new problem. A case-based...
PODS
2007
ACM
14 years 7 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Search engines that support structured documents typically support structure created by the author (e.g., title, section), and may also support structure added by an annotation pr...
APCCM
2009
13 years 8 months ago
2009
Using traditional semantic data modeling, multi-level modeling can be achieved by representing objects in different abstraction hierarchies, namely classification, aggregation and...