Download e-book for iPad: Advanced Applications of Natural Language Processing for by Mário Rodrigues, António Teixeira

By Mário Rodrigues, António Teixeira

ISBN-10: 3319155628

ISBN-13: 9783319155623

ISBN-10: 3319155636

ISBN-13: 9783319155630

This e-book explains how could be created details extraction (IE) functions which are in a position to faucet the substantial quantity of proper info to be had in ordinary language resources: web pages, reputable files resembling legislation and rules, books and newspapers, and social internet. Readers are brought to the matter of IE and its present demanding situations and barriers, supported with examples. The ebook discusses the necessity to fill the distance among records, facts, and other people, and gives a huge evaluation of the know-how assisting IE. The authors current a wide-spread structure for constructing structures which are capable of easy methods to extract correct details from usual language files, and illustrate tips to enforce operating structures utilizing cutting-edge and freely to be had software program instruments. The booklet additionally discusses concrete purposes illustrating IE uses.

· presents an outline of cutting-edge expertise in info extraction (IE), discussing achievements and boundaries for the software program developer and offering references for specialised literature within the area

· offers a complete checklist of freely to be had, prime quality software program for a number of subtasks of IE and for numerous traditional languages

· Describes a general structure that could how you can extract details for a given program domain

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Additional resources for Advanced Applications of Natural Language Processing for Performing Information Extraction

Example text

75: Bulgarian, Italian, and Portuguese structural backbone improves the adaptation to new languages (Hall et al. 2014). 6). StanfordParser is also a PCFG parser provided with a command line interface as well as with a Java API for programmatic usage. It uses an unlexicalized grammar at its core. Unlexicalized PCFG is a grammar that relies on word categories such as POS categories that can be more or less broad and does not systematically specifies rules to the lexical level. However some categories can represent a single word.

Information relevancy is not an absolute value. Intuitively it is possible to say that topics outside the scope of the application are not relevant information. For instance, if an application is about places to go on holidays it is not relevant to acquire information about cars. Also, information relevancy depends on the expertise of target audience. Information should be more detailed if the audience has a good grasp on the topic and less detailed otherwise. Having this into consideration implies that the proposed architecture should only extract information about topics explicitly required by the application, and with the same level of granularity specified by the ontology and seed examples.

In: Proceedings of the 45th annual meeting of the ACL on interactive poster and demonstration sessions. pp 177–180 Màrquez L, Carreras X, Litkowski KC, Stevenson S (2008) Semantic role labeling: an introduction to the special issue. Comput Linguist 34:145–159 Miller S, Fox H, Ramshaw L, Weischedel R (2000) A novel use of statistical parsing to extract information from text. In: Proceedings of the 1st North American chapter of the Association for Computational Linguistics conference. pp 226–233 Miyao Y, Ohta T, Masuda K, Tsuruoka Y, Yoshida K, Ninomiya T, Tsujii J (2006) Semantic retrieval for the accurate identification of relational concepts in massive textbases.

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Advanced Applications of Natural Language Processing for Performing Information Extraction by Mário Rodrigues, António Teixeira

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