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» Locality of Queries and Transformations
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SIGMOD
2009
ACM
114views Database» more  SIGMOD 2009»
16 years 1 days ago
A framework for testing query transformation rules
In order to enable extensibility, modern query optimizers typically leverage a transformation rule based framework. Testing individual rule correctness as well as correctness of r...
Hicham G. Elmongui, Vivek R. Narasayya, Ravishanka...
BXML
2004
15 years 1 months ago
Query Reformulation for the XML standards XPath, XQuery and XSLT
: 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...
Sven Groppe, Stefan Böttcher
ICSNC
2007
IEEE
15 years 6 months ago
Efficient Transformation Scheme for Indexing Continuous Queries on RFID Streaming Data
RFID data are usually regarded as streaming data that are huge and change frequently because they are gathered continuously by numerous readers. RFID middleware filters the data a...
Jaekwan Park, Bonghee Hong, ChaeHoon Ban
DBISP2P
2006
Springer
111views Database» more  DBISP2P 2006»
15 years 3 months ago
P2P Query Reformulation over Both-As-View Data Transformation Rules
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...
Peter McBrien, Alexandra Poulovassilis
ISTA
2003
15 years 1 months ago
Capturing Semantics from Search Phrases: Incremental User Personification and Ontology-Driven Query Transformation
: 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...
Vadim Ermolayev, Natalya Keberle, Sergey Plaksin, ...