376 search results - page 46 / 76 » Semantics and Evaluation of Top-k Queries in Probabilistic D... |
ISD
1999
Springer
14 years 2 days ago
1999
Springer
One of the primary methods of studying change in the natural and man-made environment is that of comparison of multi-date maps and images of the earth's surface. Such comparis...
PODS
2010
ACM
14 years 26 days ago
2010
ACM
For many problems arising in the setting of graph querying (such as finding semantic associations in RDF graphs, exact and approximate pattern matching, sequence alignment, etc.)...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
We study in this paper provenance information for queries with aggregation. Provenance information was studied in the context of various query languages that do not allow for aggr...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...