using deep linguistic features for finding deceptive opinion spam

... duplicate opinions 7 (considered deceptive spam) and non-duplicate opinions (considered truth- ful). Wu et al. (2010) propose an alternative strategy for detecting deceptive opinion spam in the ... becoming tar- gets of opinion spam. While recent work has focused primarily on manually identifi- able instances of opinion spam, in this work we study deceptive opinion spam fictitious opinions that have ... Association for Computational Linguistics, pages 309–319, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Finding Deceptive Opinion Spam by Any Stretch of the...

Ngày tải lên: 07/03/2014, 22:20

... a weasel context. We assume that a word is an indicator for a weasel if it occurs close before a weasel tag. The final scoring function for each word in the training set 174 σ .60 .70 .76 .80 ... distinct when the manually annotated data form the test set. Here asp outperforms wpw by a large margin, though this is also due to the fact that wpw performs rather poorly. asp reaches an F-score ... (2007). Weakly supervised learning for hedge classification in scientific literature. In Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics, Prague, Czech Republic, 23–30...

Ngày tải lên: 20/02/2014, 09:20

... Association for Computational Linguistics, pages 604–611, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics Error Detection for Statistical Machine Translation Using Linguistic ... confi- dence features based on mutual information be- tween words and n-gram and backward n-gram language model for word-level and sentence-level CE. They also explore linguistic features using in- formation ... incorporate two sets of linguistic features together with word posterior probability based features into error detection. Our experiments validate that linguistic features are very useful for error detection:...

Ngày tải lên: 23/03/2014, 16:20

Ngày tải lên: 26/11/2013, 13:23

... Association for Computational Linguistics, pages 306–315, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics Exploring Syntactic Structural Features for Sub-Tree ... sig- nificantly improved against only using the poly- nomial kernel for plain features. This suggests that the structural features captured by BTKs are quite useful for the sub-tree alignment task. ... similari- ty, structure features requires lexical features to cooperate. • After comparing iBTKs with the corresponding dBTKs, we find that for FBIS corpus, iBTK greatly outperforms dBTK in any...

Ngày tải lên: 20/02/2014, 04:20

... speech recognition to increase the performance of a speech translation system. This paper proposes a method for correcting errors using the statistical features of character co-occurrence, ... A Method for Correcting Errors in Speech Recognition Using the Statistical Features of Character Co-occurrence Satoshi Kaki, Eiichiro Sumita, ... Error-String). Finally, the correction is made using the difference between these two strings. 2.2.1 Procedure for Correction The procedure for correction varies slightly, depending on the...

Ngày tải lên: 20/02/2014, 18:20

... dependency structures for sentences that the grammar parses. For the unparsed sentences, the original models without HPSG features are used. Parser performances are measured using both labeled and ... and provide precise linguistic analyses for a broad range of phenomena. These linguistic knowledge are en- coded in highly generalized form according to lin- guists’ reflection for the target languages, ... previous/next token; w: word form; p: POS POS Features: s[0]-p; s[1]-p; i[0]-p; i[1]-p; i[2]-p; i[3]-p Word Form Features: s[0]-h-w; s[0]-w; i[0]-w; i[1]-w Dependency Features: s[0]-lmc-d; s[0]-d;...

Ngày tải lên: 08/03/2014, 00:20

... that uses rich linguistic features and a general semantic taxonomy for Chinese nouns generally performs well in learning sense distinctions for 12 Chinese verbs. In addition, using lexical ... set of linguistic features to capture the predicate-argument structure information of the target verbs. These features are usually more indicative of verb sense distinctions than simple features ... contextual information (cross- sentence information) that is not captured by our model. This problem is especially serious for the verb “ 要 |yao4”. For example, without global contextual information,...

Ngày tải lên: 08/03/2014, 04:22

... Greece, 30 March – 3 April 2009. c 2009 Association for Computational Linguistics Using Non-lexical Features to Identify Effective Indexing Terms for Biomedical Illustrations Matthew Simpson, Dina ... lexical features alone is not sufficient for finding salient indexing terms. Indeed, we must classify terms that are not en- countered while training. Therefore, we hypoth- esize that non-lexical features, ... Lin, Rebecca Passonneau, Tandeep Sidhu, Dagobert Soergel, and Tae Yano. 2008. Computational linguistics for metadata build- ing: Aggregating text processing technologies for enhanced image access....

Ngày tải lên: 17/03/2014, 22:20

... Papers, pages 353–358, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics Using Parse Features for Preposition Selection and Error Detection Joel Tetreault Educational ... output features helpful in mod- eling preposition usage in well-formed text and learner text? We recreate a state-of-the-art preposition usage system (Tetreault and Chodorow (2008), hence- forth ... preposition selection in well-formed text. We also show which fea- tures have the greatest effect on performance. • We show that, despite the noisiness of learner text, parse features can actually make...

Ngày tải lên: 30/03/2014, 21:20

Ngày tải lên: 31/03/2014, 00:20

Ngày tải lên: 07/11/2012, 14:17

... discourse structures and major linguistic features 5.1 Similarities 32 a, Type of discourse 32 b, Register (or Functional style) 32 c, Writing style 32 d, Linguistic features 33 e, Structure 33 5.2 ... VII v abbreviationS E.g.: for example N: Nuclear S: Satellite ed.: edition ESP: English for Specific Purposes M.A.: Master of Arts VNU: Vietnam National University CFL: College of Foreign Languages NXB: ... and its realization 18 3.3.3.2 Remarks 19 CHAPTER IV THE DISCOURSE STRUCTURE AND SOME MAJOR LINGUISTIC FEATURES OF THE INTERNATIONAL CONVENTION ON HUMAN RIGHTS IN COMPARISON WITH THOSE OF THE...

Ngày tải lên: 07/11/2012, 14:17

... some major linguistic features of International Declarations on Human Rights. In the initial organization, Chapter IV would explore the discourse structure and some major linguistic features ... Chapter − Chapter V − for comparison. But to do this would look cumbersome, therefore, in this paper Chapter IV explores the discourse structure and some major linguistic features of International ... Declaration in English performative is performative verbs. In the survey throughout selected Declarations these performative verbs are usually used: agree, believe, request, require, inform, mean, imply,...

Ngày tải lên: 07/11/2012, 14:17

... procedures for the establishment of social programmes to provide necessary support for the child and for those who have the care of the child, as well as for other forms of prevention and for identification, ... particular: (a) Provide for a minimum age or minimum ages for admission to employment; (b) Provide for appropriate regulation of the hours and conditions of employment; (c) Provide for appropriate ... the linguistic needs of the child who belongs to a minority group or who is indigenous; (e) Encourage the development of appropriate guidelines for the protection of the child from information...

Ngày tải lên: 07/11/2012, 14:17

... framework for finding object-oriented information in unstructured data [13] [14]. To deal with this problem more efficient, we have proposed an approach for generating snippet for this system using ... the format of the number in standard and Vietnamese format. For example, “123456.78” in standard format is “123,456.78” which in Vietnamese format is “123.456,78”. We use regular expression for ... of finding structured information on the web becomes object retrieval problem. Unfortunately, the current information retrieval approaches can not handle object search effectively. Therefore,...

Ngày tải lên: 23/11/2012, 15:04

Ngày tải lên: 29/04/2013, 14:07

... Using Picture Dictation Exercises for Practising All Four Skills Sylvia Sao Leng Ieong This exercise focuses on choosing or preparing a text in clear visual terms so that it can be used for ... never been popular with learners of English as a foreign language. However, the picture dictation designed here, which sufficiently prepares learners for the activity, involves students in all four ... pre-intermediate level learners and has proved very successful. Success is always a good motivator for learners. Steps Normally the exercise takes about 20-30 minutes, depending on the length of...

Ngày tải lên: 06/09/2013, 10:10

... Checking for iptables executables Checking for iptables filter table Checking for LOG iptables target Found LOG target Checking for ULOG iptables target Found ULOG target Checking for ... installation type 12 Installing using the installation script 13 Uninstalling using the installation script 15 Installing using the Endpoint Security Agent RPM 16 Before you begin 16 Building a ... by other U.S. Patents, foreign Endpoint Security Agent for Linux 7 Endpoint Security Agent for Linux 7 To manage Linux computer groups: 1. Create a user catalog and group for Linux computers....

Ngày tải lên: 23/10/2013, 12:15