1059 search results - page 130 / 212 » Improving Semantic Query Answering |
STOC
2010
ACM
14 years 3 months ago
2010
ACM
We define a new interactive differentially private mechanism — the median mechanism — for answering arbitrary predicate queries that arrive online. Given fixed accuracy and...
BMCBI
2007
13 years 10 months ago
2007
Background: The development of e-Science presents a major set of opportunities and challenges for the future progress of biological and life scientific research. Major new tools a...
SEMCO
2007
IEEE
14 years 4 months ago
2007
IEEE
This paper studies the influence of lexical semantic knowledge upon two related tasks: ad-hoc information retrieval and text similarity. For this purpose, we compare the performa...
HICSS
2007
IEEE
14 years 4 months ago
2007
IEEE
Latent Semantic Indexing (LSI) is commonly used to match queries to documents in information retrieval applications. LSI has been shown to improve retrieval performance for some, ...
SIGKDD
2010
13 years 5 months ago
2010
The aim of latent semantic indexing (LSI) is to uncover the relationships between terms, hidden concepts, and documents. LSI uses the matrix factorization technique known as singu...