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SIGIR
2010
ACM
15 years 8 months ago
Multilingual PRF: english lends a helping hand
In this paper, we present a novel approach to Pseudo-Relevance Feedback (PRF) called Multilingual PRF (MultiPRF). The key idea is to harness multilinguality. Given a query in a la...
Manoj Kumar Chinnakotla, Karthik Raman, Pushpak Bh...
ICPR
2002
IEEE
16 years 6 months ago
GraphGrep: A Fast and Universal Method for Querying Graphs
GraphGrep is an application-independent method for querying graphs, finding all the occurrences of a subgraph in a database of graphs. The interface to GraphGrep is a regular expr...
Rosalba Giugno, Dennis Shasha
DOCENG
2009
ACM
15 years 11 months ago
On the analysis of queries with counting constraints
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
Everardo Bárcenas, Pierre Genevès, N...
VLDB
2005
ACM
119views Database» more  VLDB 2005»
15 years 10 months ago
Database-Inspired Search
“W3QL: A Query Language for the WWW”, published in 1995, presented a language with several distinctive features. Employing existing indexes as access paths, it allowed the sel...
David Konopnicki, Oded Shmueli
PODS
2000
ACM
102views Database» more  PODS 2000»
15 years 9 months ago
Linear Approximation of Planar Spatial Databases Using Transitive-Closure Logic
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
Floris Geerts, Bart Kuijpers