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Learning from syntax generalizations for automatic semantic annotation
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Abstract:
Nowadays, there is a huge amount of textual data coming from on-line social communities like Twitter or encyclopedic data provided by Wikipedia and similar platforms. This Big Data Era created novel challenges to be faced in order to make sense of large data storages as well as to efficiently find specific information within them. In a more domain-specific scenario like the management of legal documents, the extraction of semantic knowledge can support domain engineers to find relevant information in more rapid ways, and to provide assistance within the process of constructing application-based legal ontologies. In this work, we face the problem of automatically extracting structured knowledge to improve semantic search and ontology creation on textual databases. To achieve this goal, we propose an approach that first relies on well-known Natural Language Processing techniques like Part-Of-Speech tagging and Syntactic Parsing. Then, we transform these information into generalized features that aim at capturing the surrounding linguistic variability of the target semantic units. These new featured data are finally fed into a Support Vector Machine classifier that computes a model to automate the semantic annotation. We first tested our technique on the problem of automatically extracting semantic entities and involved objects within legal texts. Then, we focus on the identification of hypernym relations and definitional sentences, demonstrating the validity of the approach on different tasks and domains.
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URL: https://doi.org/10.1007/s10844-014-0320-9
http://hdl.handle.net/2318/157610
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| 2 |
P.: Multilingual conceptual dictionaries based on ontologies
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In: http://www.e-p-a-p.com/dlib/9788883980466/art12.pdf (2007)
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Role-based semantics for agent communication: Embedding of the mental attitudes and social commitments semantics
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In: http://www.di.unito.it/~guido/PS/aamas06b.pdf (2006)
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A plan based agent architecture for interpreting natural language dialogue
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In: http://www.di.unito.it/~guido/articoli/98-ijhcs00.pdf (2000)
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A Plan Based Agent Architecture for Interpreting Natural Language Dialogue
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In: http://www.di.unito.it/~liliana/ijhcs2000-per-www.ps.gz (2000)
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| 6 |
Social Goals in Conversational Cooperation
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In: http://www.di.unito.it/~gull/PS/sigdial.ps (2000)
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| 7 |
Social goals in conversational cooperation
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In: http://www.sigdial.org/workshops/workshop1/proceedings/boella.pdf (2000)
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| 8 |
Social Goals in Conversational Cooperation
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In: http://acl.ldc.upenn.edu/W/W00/W00-1010.pdf (2000)
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| 9 |
Mental Models and Pragmatics: The Case of Presuppositions
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In: http://www.di.unito.it/~gull/PS/pres.ps (1999)
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| 10 |
Beating a Donkey: a Mental Model Approach to Complex Anaphoric Phenomena
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In: http://www.di.unito.it/~gull/PS/donkey.ps (1999)
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| 11 |
Plan-based Event Representations for the Analysis of Tense and Aspect
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In: http://www.di.unito.it/~gull/PS/aspetto.ps (1999)
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| 12 |
Automatic refinement of Linguistic rules for tagging
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In: http://www.di.unito.it/%7Eguido/articoli/CONFERENZE/lrec98.pdf (1998)
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Recognition of Problem-solving Plans in Dialogue Interpretation
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In: http://www.um.org/./um_96/problem_solving_plans.ps.gz (1996)
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| 14 |
Recognition of Problem-solving Plans in Dialogue Interpretation
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In: http://www.di.unito.it/~gull/PS/um96.ps (1996)
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| 15 |
Indirect speech acts and politeness: A computational approach
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In: http://www.di.unito.it/~guido/articoli/CONFERENZE/cogsci95.pdf (1995)
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| 16 |
Indirect Speech Acts and Politeness: A Computational Approach
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In: http://www.di.unito.it/~gull/PS/cs95.ps (1995)
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| 17 |
Recognizing Preliminary Sentences in Dialogue Interpretation
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In: http://www.di.unito.it/~gull/PS/aiia95.ps (1995)
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| 18 |
Extracting Definitions and Hypernym Relations relying on Syntactic Dependencies and Support Vector Machines
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In: http://aclweb.org/anthology/P/P13/P13-2095.pdf
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| 19 |
Supervised Learning of Syntactic Contexts for Uncovering Definitions and Extracting Hypernym Relations in Text Databases
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In: http://ecmlpkdd2013.org/wp-content/uploads/2013/07/118.pdf
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| 20 |
Multilingual Conceptual Dictionaries Based on Ontologies: Analytical Tools and Case Studies
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In: http://www.di.unito.it/~guido/PS/Lesmo-Boella-Mazzei-Rossi.pdf
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