1059 search results - page 71 / 212 » Improving Semantic Query Answering |
164
click to vote
SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
We propose PASTE, the first differentially private aggregation algorithms for distributed time-series data that offer good practical utility without any trusted server. PASTE add...
147
click to vote
VLDB
2005
ACM
15 years 11 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
161
click to vote
SIGIR
2002
ACM
15 years 5 months ago
2002
ACM
This paper describes a question answering system that is designed to capitalize on the tremendous amount of data that is now available online. Most question answering systems use ...
186
click to vote
CLEF
2007
Springer
16 years 6 days ago
2007
Springer
This paper accounts for Priberam's participation in the monolingual question answering (QA) track of CLEF 2007. In previous participations, Priberam’s QA system obtained en...
159
click to vote
DEXA
2006
Springer
15 years 8 months ago
2006
Springer
Geographic information systems (GIS) must support large georeferenced data sets. Due to the size of these data sets finding exact answers to spatial queries can be very time consum...