687 search results - page 3 / 138 » Query Transformation for PSJ-Queries |
BXML
2004
13 years 6 months ago
2004
: Whenever transformation of data is used to bridge the gap of different data formats, and a query is given in the destination format, query reformulation can speed up the transfor...
DBISP2P
2006
Springer
13 years 8 months ago
2006
Springer
Abstract. The both-as-view (BAV) approach to data integration has the advantage of specifying mappings between schemas in a bidirectional manner, so that once a BAV mapping has bee...
ISTA
2003
13 years 6 months ago
2003
: Reported is the methodology of the semantic transformation of an initial user’s search query in the form of key words or key phrases to the resulting query composed of the rele...
FOIKS
2006
Springer
13 years 8 months ago
2006
Springer
Abstract. We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is on query modification: ...
IS
2012
12 years 22 days ago
2012
When transforming data one often wants certain information in the data source to be preserved, i.e., we identify parts of the source data and require these parts to be transformed...