Báo cáo khoa học: "Weakly Supervised Learning of Presupposition Relations between Verbs" pptx

... semantic relations. 3 A Weakly Supervised Approach to Learning Presupposition Relations We describe a weakly supervised approach for learning semantic relations between verbs includ- ing implicit relations ... understudied in the field of corpus-based learning of semantic relations. Machine learning methods have been previously applied to deter- mine semantic rela...

Ngày tải lên: 07/03/2014, 22:20

... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 360–368, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP Semi -supervised Learning of Dependency ... supervised CRF supervised CRF restricted GE CRF GE CRF GE human Figure 1: Comparison of the constraint baseline and both GE and supervised training of the restricted and full...

Ngày tải lên: 20/02/2014, 07:20

... Linguistics Semi -Supervised Learning of Partial Cognates using Bilingual Bootstrapping Oana Frunza and Diana Inkpen School of Information Technology and Engineering University of Ottawa Ottawa, ... algorithm to perform WSD on a set of polysemous English words. They report an accu- racy of 74%. One of the most active researchers in identify- ing cognates between p...

Ngày tải lên: 20/02/2014, 12:20

... of pairs of a class label and an instance {<C,I>} Variables: {S} = clusters of distributionally similar phrases . {V} = vectors of contextual matches of queries in text . {M E } = set of ... set of classes consists of 4,583 class labels, each of them associated with 25 to 7,967 instances, with an average of 189 instances per class. Accuracy of Class Labels: Built o...

Ngày tải lên: 08/03/2014, 01:20

... to the root of the hierarchy. The resulting sets of in- stances constitute the input to the acquisition of attributes, which consists of four stages: 1) identification of a noisy pool of candidate ... first of the 9 senses of companies. Extraction of Attributes for Hierarchy Con- cepts: The labeled classes of instances linked to conceptual hierarchies constitute the input to...

Ngày tải lên: 08/03/2014, 21:20

... level of agree- ment between independent annotators. 2. We discuss the specificities of hedge classifica- tion as a weakly supervised ML task. 3. We derive a probabilistic weakly supervised learning ... explored. The contri- butions of our work are as follows: 1. We provide a clear description of the prob- lem of hedge classification and offer an im- proved and expanded set of...

Ngày tải lên: 23/03/2014, 18:20

... Proceedings of the 12th Conference of the European Chapter of the ACL, pages 363–371, Athens, Greece, 30 March – 3 April 2009. c 2009 Association for Computational Linguistics Weakly Supervised Part -of- Speech ... an unsupervised fully-Bayesian POS tagging framework that op- erates by integrating over the possible parameter values instead of fixing a set of parameter values for u...

Ngày tải lên: 24/03/2014, 03:20

... Position, Leader -of, Owner -of, Has-Boss, Boss -of, Spouse -of, Has-Parent, Parent -of, Has- Teacher, Teacher -of, Sibling -of, Friend -of, Colleague -of, Associated-Entity, Title, Address, Birth-Place, ... (P): ¦ = i N P i ofcluster output in the mentions of # i ofcluster output in the mentionscorrect of #1 (2) Recall (R): ¦ = i N P i ofcluster key in the mentions of # i ofc...

Ngày tải lên: 31/03/2014, 03:20

... recognition (NER) is an important part of many natural language processing tasks. Current approaches of- ten employ machine learning techniques and require supervised data. However, many languages ... to score a pair of enti- ties across languages, we compute the similarity of their time distributions. The second observation is that NEs often con- tain or are entirely made up of...

Ngày tải lên: 20/02/2014, 12:20

Ngày tải lên: 08/03/2014, 01:20