427 search results - page 31 / 86 » Conjunctive Query Answering in EL using a Database System |
DEXAW
2007
IEEE
14 years 3 months ago
2007
IEEE
Question Answering (QA) systems automatically answer natural language questions in a human-like manner. One of the practical approaches to open domain QA consists in extracting fa...
PODS
2012
ACM
11 years 11 months ago
2012
ACM
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
ICDE
2009
IEEE
14 years 3 months ago
2009
IEEE
Applications involving analysis of data streams have gained significant popularity and importance. Frequency counting, frequent elements and top-k queries form a class of operato...
DEXA
1994
Springer
14 years 24 days ago
1994
Springer
We describe a functional database language OR-SML for handling disjunctive information in database queries, and its implementation on top of Standard ML 12]. The core language has ...
ICDE
2004
IEEE
14 years 10 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...