Sciweavers

ACL
2011
12 years 11 months ago
Rule Markov Models for Fast Tree-to-String Translation
Ashish Vaswani, Haitao Mi, Liang Huang, David Chia...
ACL
2011
12 years 11 months ago
Neutralizing Linguistically Problematic Annotations in Unsupervised Dependency Parsing Evaluation
Dependency parsing is a central NLP task. In this paper we show that the common evaluation for unsupervised dependency parsing is highly sensitive to problematic annotations. We s...
Roy Schwartz, Omri Abend, Roi Reichart, Ari Rappop...
ACL
2011
12 years 11 months ago
Peeling Back the Layers: Detecting Event Role Fillers in Secondary Contexts
The goal of our research is to improve event extraction by learning to identify secondary role filler contexts in the absence of event keywords. We propose a multilayered event e...
Ruihong Huang, Ellen Riloff
ACL
2011
12 years 11 months ago
Local and Global Algorithms for Disambiguation to Wikipedia
Disambiguating concepts and entities in a context sensitive way is a fundamental problem in natural language processing. The comprehensiveness of Wikipedia has made the online enc...
Lev-Arie Ratinov, Dan Roth, Doug Downey, Mike Ande...
ACL
2011
12 years 11 months ago
A Bayesian Model for Unsupervised Semantic Parsing
We propose a non-parametric Bayesian model for unsupervised semantic parsing. Following Poon and Domingos (2009), we consider a semantic parsing setting where the goal is to (1) d...
Ivan Titov, Alexandre Klementiev
ACL
2011
12 years 11 months ago
Unsupervised Decomposition of a Document into Authorial Components
We propose a novel unsupervised method for separating out distinct authorial components of a document. In particular, we show that, given a book artificially “munged” from two...
Moshe Koppel, Navot Akiva, Idan Dershowitz, Nachum...
ACL
2011
12 years 11 months ago
Event Discovery in Social Media Feeds
We present a novel method for record extraction from social streams such as Twitter. Unlike typical extraction setups, these environments are characterized by short, one sentence ...
Edward Benson, Aria Haghighi, Regina Barzilay