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IJCAI
2007
15 years 1 months ago
A Flexible Unsupervised PP-Attachment Method Using Semantic Information
In this paper we revisit the classical NLP problem of prepositional phrase attachment (PPattachment). Given the pattern V −NP1−P −NP2 in the text, where V is verb, NP1 is a ...
Srinivas Medimi, Pushpak Bhattacharyya
SODA
2008
ACM
105views Algorithms» more  SODA 2008»
15 years 1 months ago
Deterministic random walks on regular trees
Jim Propp's rotor router model is a deterministic analogue of a random walk on a graph. Instead of distributing chips randomly, each vertex serves its neighbors in a fixed or...
Joshua N. Cooper, Benjamin Doerr, Tobias Friedrich...
107
Voted
SODA
2001
ACM
87views Algorithms» more  SODA 2001»
15 years 1 months ago
Steiner points in tree metrics don't (really) help
Consider an edge-weighted tree T = (V, E, w : E R+ ), in which a subset R of the nodes (called the required nodes) are colored red and the remaining nodes in S = V \R are colored ...
Anupam Gupta
JISBD
2000
15 years 1 months ago
Databases and Natural Language Interfaces
A Natural Language Interface for Databases allows users of multimedia kiosks to formulate natural language questions. User questions are first translated into a logic language and ...
Porfírio P. Filipe, Nuno J. Mamede
DLOG
1996
15 years 1 months ago
Can Description Logics Be Used in Real-Life Knowledge-Based Systems?
In 1995, I nished my Ph.D. project which was focused on the selection of adequate Knowledge-Representation Systems (KRSs) for research applications. When I started working at the ...
Piet-Hein Speel