1388 search results - page 136 / 278 » Querying Linguistic Trees |
93
Voted
DCC
2004
IEEE
16 years 10 days ago
2004
IEEE
We extend Ukkonen's online suffix tree construction algorithm to support frequency queries, by adding count fields to the internal nodes of the tree, as suggested in [8]. Thi...
83
Voted
ADBIS
2003
Springer
15 years 6 months ago
2003
Springer
In this paper we present a new compression scheme for signature tree structures. Beyond the reduction of storage space, compression attains significant savings in terms of query pr...
202
Voted
ICDE
2008
IEEE
16 years 2 months ago
2008
IEEE
Abstract-- Current twig join algorithms incur high memory costs on queries that involve child-axis nodes. In this paper we provide an analytical explanation for this phenomenon. In...
101
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SIGMOD
2010
ACM
15 years 5 months ago
2010
ACM
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
121
Voted
CLEF
2007
Springer
15 years 7 months ago
2007
Springer
This paper describes the participation of MIRACLE research consortium at the Query Parsing task of GeoCLEF 2007. Our system is composed of three main modules. First, the Named Geo...