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» Query Optimisation for Web Data Sources: Minimisation of the...
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SEBD
2007
95views Database» more  SEBD 2007»
13 years 6 months ago
Query Optimisation for Web Data Sources: Minimisation of the Number of Accesses
Andrea Calì, Davide Martinenghi, Domenico C...
COOPIS
1998
IEEE
13 years 8 months ago
Wrapper Generation for Web Accessible Data Sources
There is an increase in the number of data sources that can be queried across the WWW. Such sources typically support HTML forms-based interfaces and search engines query collecti...
Jean-Robert Gruser, Louiqa Raschid, Maria-Esther V...
ICDE
2008
IEEE
127views Database» more  ICDE 2008»
14 years 6 months ago
Querying Data under Access Limitations
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
Andrea Calì, Davide Martinenghi
ICDT
2007
ACM
105views Database» more  ICDT 2007»
13 years 10 months ago
Optimization of Query Plans in the presence of Access Limitations
We consider the problem of querying data sources that have limited capabilities and can thus only be accessed by complying with certain binding patterns for their attributes. This ...
Andrea Calì, Diego Calvanese, Davide Martin...
KES
2008
Springer
13 years 4 months ago
A Semantic Language for Querying Anonymous Web Sources
A great deal of work has been carried out in recent years to facilitate access to data and information available on the Web. Proposals converge in two additional areas which consis...
Francois Pinet, Michel Schneider