92 search results - page 2 / 19 » On Answering Queries in the Presence of Limited Access Patte... |
ICDE
2000
IEEE
14 years 7 months ago
2000
IEEE
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
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...
APWEB
2010
Springer
13 years 10 months ago
2010
Springer
Abstract. The term Deep Web (sometimes also called Hidden Web) refers to the data content that is created dynamically as the result of a specific search on the Web. In this respec...
TREC
2001
13 years 7 months ago
2001
The core of our question-answering mechanism is searching for predefined patterns of textual expressions that may be interpreted as answers to certain types of questions. The pres...
CIDR
2011
12 years 9 months ago
2011
Structured query language (SQL) is a classical way to access relational databases. Although SQL is powerful to query relational databases, it is rather hard for inexperienced user...