537 search results - page 54 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
GIR
2006
ACM
14 years 3 months ago
2006
ACM
In this paper, we present a novel indexing data structure called RDHT (Range capable Distributed Hash Table) derived from skip lists and specifically designed for storing and retr...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
Virtually all proposals for querying XML include a class of query we term "containment queries". It is also clear that in the foreseeable future, a substantial amount of...
INEX
2004
Springer
14 years 2 months ago
2004
Springer
This paper presents an approach for extending the vector space model (VSM) to perform XML retrieval. The model is extended to support important aspects of XML structural and semant...
EMNLP
2004
13 years 10 months ago
2004
Anticipating the availability of large questionanswer datasets, we propose a principled, datadriven Instance-Based approach to Question Answering. Most question answering systems ...