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» Optimization of multi-domain queries on the web
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OTM
2010
Springer
13 years 7 months ago
A Characterization of the Layout Definition Problem for Web Search Results
In the last years the user information seeking process on the Web has shifted from document search to object search. Hence, the answers provided by Web search engines cannot consis...
Alessandro Bozzon, Marco Brambilla, Sara Comai
ICDE
2008
IEEE
119views Database» more  ICDE 2008»
14 years 4 months ago
NGS: a framework for multi-domain query answering
— If we consider a query involving multiple domains, such as “find all database conferences held within six months in locations whose seasonal average temperature is 28◦ C a...
Daniele Braga, Diego Calvanese, Alessandro Campi, ...
ER
2008
Springer
110views Database» more  ER 2008»
13 years 11 months ago
Conjunctive Query Containment under Access Limitations
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
Andrea Calì, Davide Martinenghi
WWW
2006
ACM
14 years 10 months ago
Efficient query subscription processing for prospective search engines
Current web search engines are retrospective in that they limit users to searches against already existing pages. Prospective search engines, on the other hand, allow users to upl...
Utku Irmak, Svilen Mihaylov, Torsten Suel, Samrat ...
SEBD
2008
178views Database» more  SEBD 2008»
13 years 11 months ago
A New Generation Search Engine Supporting Cross Domain Queries
d Abstract) Daniele Braga1 , Diego Calvanese2 , Alessandro Campi1 , Stefano Ceri1 , Florian Daniel1 , Davide Martinenghi1 , Paolo Merialdo3 , Riccardo Torlone3 1 Dip. di Elettronic...
Daniele Braga, Diego Calvanese, Alessandro Campi, ...