an extensive empirical study of collocation extraction methods

... status quo of an ongoing research study of collocations – an essential linguistic phenomenon hav- ing a wide spectrum of applications in the field of natural language processing. The core of the work ... measures and com- pute an association score for each collocation candi- date extracted from a corpus. The scores indicate a chance of a candidate to be a collocation. They can be used for ranking ... automatic collocation extrac- tion methods and performed series of experiments on morphologically and syntactically annotated data. The methods were evaluated against a refer- ence set of collocations...

Ngày tải lên: 08/03/2014, 04:22

Ngày tải lên: 09/09/2013, 23:46

Ngày tải lên: 09/09/2013, 23:50

... On the other hand, all baselines improve, and some of them (SentenceSim precision and perplexity) give better results than both ROUGE and NICOS. Of course, no reliable conclusion can be obtained from ... Sum- marization, Edmonton, Canada. V. Khandelwal, R. Gupta, and J. Allan. 2001. An Evaluation Corpus for Temporal Summarization. In Proceedings of the First International Confer- ence on Human Language Technology ... creation of an Information Synthesis testbed with 72 reports manually generated by nine subjects for eight com- plex topics with 100 relevant documents each; and b) an empirical comparison of similarity...

Ngày tải lên: 20/02/2014, 15:20

... UPENN Chinese Treebank-4(CTB4). We presented an empirical study of Chinese chunk- ing on this corpus. First, we made an evaluation on the corpus to clarify the performance of state- of- the-art models ... listed as follows: ã WORD: uni-gram and bi-grams of words in an n window. ã POS: uni-gram and bi-grams of POS in an n window. ã WORD+POS: Both the features of WORD and POS. where n is a predefined ... 21(4):543–565. Walter Daelemans, Jakub Zavrel, Ko van der Sloot, and Antal van den Bosch. 2004. Timbl: Tilburg memory-based learner v5.1. James Hammerton, Miles Osborne, Susan Armstrong, and Walter Daelemans. 2002....

Ngày tải lên: 08/03/2014, 02:21

... descriptions of objects and processes from a knowledge base (Lester and Porter March 1997), text summaries of quantitative data (Robin and McKeown 1996), descriptions of plans (Young to appear) and ... The arcs of the tree are weighted to represent the importance of the value of an objective in contributing to the value of its parent in the tree (e.g., in Figure 1 location is more than twice ... autonomous exploration of the set of alternatives and the selection of the preferred alternatives. Let’s examine now how an argument generator can be evaluated in the context of the selection task,...

Ngày tải lên: 08/03/2014, 05:20

Ngày tải lên: 16/03/2014, 03:20

... survey/sdata/200701/ certca.html. [6] S. Egelman, L. F. Cranor, and J. Hong. You’ve been warned: an empirical study of the effectiveness of web browser phishing warnings. In Proceeding of the SIGCHI Conference on Human Factors ... bank wanted you to take?” responded that it wanted them not to pro- ceed. Only 3 FF2, 2 FF3, and 4 IE7 participants answered the same way. 4.2.4 Impact of Reading and Understanding In each of ... addition, our study participants were more technically sophis- ticated than the previous study s participants. 5.2 Explain the Danger The FF2, IE7, and our single page warnings take the standard tactic of...

Ngày tải lên: 16/03/2014, 19:20

... An Empirical Study of Active Learning with Support Vector Machines for Japanese Word Segmentation Manabu Sassano Fujitsu Laboratories Ltd. 4-1-1, Kamikodanaka, Nakahara-ku, Kawasaki ... a kanji character and a hi- ragana character. Of course, there are quite a few exceptions to this heuristics. For example, some proper nouns are written in mixed hiragana, kanji and katakana. The ... cannot get high-performance without an anno- tated corpus. The problem is that corpus annotation is labour intensive and very expensive. In order to overcome this, some unsupervised learning methods and...

Ngày tải lên: 17/03/2014, 08:20

Ngày tải lên: 30/03/2014, 01:20

Ngày tải lên: 22/10/2014, 11:03

... Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing Jianfeng Gao * , Galen Andrew * , Mark Johnson *& , Kristina Toutanova * * Microsoft Research, ... Because of the high-dimensional nature of natural language, it is often easy to generate an extremely large number of features. The challenge of parameter estimation is to find a combination of ... capitalization, and number/special character signatures of the words. We used the standard splits of the Penn Treebank from the tagging literature (Toutanova et al. 2003) for training, development and...

Ngày tải lên: 08/03/2014, 02:21

... to some semantic subset of an antecedent. There was one additional case in which a subsequent noun phrase was a rephrasing of an antecedent. For the remaining 71 instances, no antecedent could ... infrequently and since one of the major foci of the study was to try to find general means of deciding attachment of PPs, individualization of these PPs was, at first, discounted. In some of the ... participant. Partici- pants of the study were each asked to plan a spe- cific travel agenda of their choice with information obtained solely by typing natural language mes- sages and requests...

Ngày tải lên: 08/03/2014, 18:20

... inside the group of adopting organizations. 5.1.2. The analysis of organizati onal determinants Let us next focus on the organizational deter- minants of adopting organizations instead of the adopter ... sug- gesting that management accounting systems are changed because of fads and fashions. However, fad and fashion as explanations for diusion of management accounting innovation and change are not ... Adoption and diusion of an innovation of uncertain prođtability. Jour nal of Economic Theory, 27, 182±193. Johnson, H. T., & Kaplan, R. S. (1987). Relevance lost: the rise and fall of management...

Ngày tải lên: 29/03/2014, 14:20

Ngày tải lên: 09/08/2014, 01:21

Ngày tải lên: 11/09/2013, 11:44

... the semantics of the diagram, are more likely to be effective from a human understanding point of view. Acknowledgements We are grateful to the students of the School of Computer Science and Electrical ... University of Queensland who willingly took part in the experiment, and to the Australian Research Council, which funded this research. Ethical clearance for this study was granted by The University of ... Usability analysis of visual programming environments: A cognitive dimensions framework. Journal of Visual Languages and Computing 7:131-174. MICROSOFT VISIO (2001) http://www.microsoft.com/office/visio/,...

Ngày tải lên: 07/03/2014, 17:20

... governance and lack of transparency in our system. This reason can be considered causes of the financial crisis, and the subsequent events of corporate collapses and accounting fraud. An organization ... philosophy, which is the study of values and customs of a person or group and covers the analysis and employment of concepts such as right and wrong, good and evil and do's and don'ts (Ghazala ... other. And professional cannot use information for personal advantage  Professional Behavior: A professional accountant should follow the relevant laws and regulations and should avoid any action...

Ngày tải lên: 13/03/2014, 14:20

... effective. The accuracies of with-EM, random and with- out-EM are gradually increasing according to the percentage of added hand labeled examples and catch up that of human and converge at 30 per- centage ... Empirical Study of the Behavior of Active Learning for Word Sense Disambiguation, Proc. of the main conference on Human Language Tech- nology Conference of the North American Chapter of ACL, ... num- ber of its senses, the number of its data instances, the number of feature, and the percentage of positive sense instances for each data set. Assigning the correct labels of data instances...

Ngày tải lên: 23/03/2014, 17:20