948 search results - page 3 / 190 » The Query Answering System PRODICOS |
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
ICDT
2001
ACM
14 years 4 days ago
2001
ACM
In information-integration systems, source relations often have limitations on access patterns to their data; i.e., when one must provide values for certain attributes of a relatio...
PVLDB
2010
13 years 6 months ago
2010
This paper addresses the problem of explaining missing answers in queries that include selection, projection, join, union, aggregation and grouping (SPJUA). Explaining missing ans...
FOIKS
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. We give a general framework for approximate query processing in semistructured databases. We focus on regular path queries, which are the integral part of most of the que...
JDCTA
2010
13 years 2 months ago
2010
In this paper we introduce the semantic approach of the answer extraction component of a question answering system called SBUQA. The answer extraction component gets the retrieved...