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EMNLP
2008
14 years 9 days ago
Studying the History of Ideas Using Topic Models
How can the development of ideas in a scientific field be studied over time? We apply unsupervised topic modeling to the ACL Anthology to analyze historical trends in the field of...
David Hall, Daniel Jurafsky, Christopher D. Mannin...
EMNLP
2006
14 years 7 days ago
A Hybrid Markov/Semi-Markov Conditional Random Field for Sequence Segmentation
Markov order-1 conditional random fields (CRFs) and semi-Markov CRFs are two popular models for sequence segmentation and labeling. Both models have advantages in terms of the typ...
Galen Andrew
EMNLP
2006
14 years 7 days ago
Short Text Authorship Attribution via Sequence Kernels, Markov Chains and Author Unmasking: An Investigation
We present an investigation of recently proposed character and word sequence kernels for the task of authorship attribution based on relatively short texts. Performance is compare...
Conrad Sanderson, Simon Günter
EMNLP
2006
14 years 7 days ago
Boosting Unsupervised Relation Extraction by Using NER
Web extraction systems attempt to use the immense amount of unlabeled text in the Web in order to create large lists of entities and relations. Unlike traditional IE methods, the ...
Ronen Feldman, Benjamin Rosenfeld
EMNLP
2006
14 years 7 days ago
Quality Assessment of Large Scale Knowledge Resources
This paper presents an empirical evaluation of the quality of publicly available large-scale knowledge resources. The study includes a wide range of manually and automatically der...
Montse Cuadros, German Rigau