537 search results - page 77 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
INEX
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. The widespread adoption of XML necessitates structureaware systems that can effectively retrieve information from XML document collections. This paper reports on the par...
DEXA
2004
Springer
14 years 2 months ago
2004
Springer
Efficient storage and retrieval of trajectory indexes has become an essential requirement for moving objects databases. The existing 3DR-tree is known to be an effective trajectory...
SIGMOD
2010
ACM
13 years 9 months ago
2010
ACM
In this paper we investigate techniques that allow for on-line updates to columnar databases, leaving intact their high read-only performance. Rather than keeping differential str...
SAC
2006
ACM
14 years 2 months ago
2006
ACM
Modern database applications like geographic information systems, multimedia databases, and digital libraries dealing with huge volumes of high dimensional data, make use of multi...
IR
2008
13 years 9 months ago
2008
Abstract. Document length is widely recognized as an important factor for adjusting retrieval systems. Many models tend to favor the retrieval of either short or long documents and...