64 search results - page 7 / 13 » View-Based Query Answering and Query Containment over Semist... |
PODS
2007
ACM
14 years 7 months ago
2007
ACM
In [3], we introduced a framework for querying and updating probabilistic information over unordered labeled trees, the probabilistic tree model. The data model is based on trees ...
ICDE
2000
IEEE
14 years 8 months ago
2000
IEEE
Abstract Arturo Crespo, Orkut Buyukkokten, and Hector Garcia-Molina Stanford University With information dissemination (information push), data is delivered from a set of producers...
COMGEO
2008
ACM
13 years 7 months ago
2008
ACM
Given a planar polygonal subdivision S, the point location problem is to preprocess S into a data structure so that the cell of the subdivision that contains a given query point c...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Users of database applications, especially in the e-commerce domain, often resort to exploratory "trial-and-error" queries since the underlying data space is huge and unf...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Query processing over graph-structured data is enjoying a growing number of applications. Keyword search on a graph finds a set of answers, each of which is a substructure of the ...