339 search results - page 63 / 68 » Improved Query Performance with Variant Indexes |
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
In a binary symmetric relationship, A is related to B if and only if B is related to A. Symmetric relationships between k participating entities can be represented as multisets of...
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
When selecting alternatives from large amounts of data, trade-offs play a vital role in everyday decision making. In databases this is primarily reflected by the top-k retrieval p...
IUI
2006
ACM
15 years 4 months ago
2006
ACM
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...
CLEF
2007
Springer
15 years 4 months 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...
JCDL
2006
ACM
15 years 4 months ago
2006
ACM
In this paper we introduce POLAR, a probabilistic objectoriented logical framework for annotation-based information retrieval. In POLAR, the knowledge about digital objects, annot...