TAILIEUCHUNG - Báo cáo khoa học: "Instance-Driven Attachment of Semantic Annotations over Conceptual Hierarchies"

Whether automatically extracted or human generated, open-domain factual knowledge is often available in the form of semantic annotations (., composed-by) that take one or more specific instances (., rhapsody in blue, george gershwin) as their arguments. This paper introduces a method for converting flat sets of instance-level annotations into hierarchically organized, concept-level annotations, which capture not only the broad semantics of the desired arguments (., ‘People’ rather than ‘Locations’), but also the correct level of generality (., ‘Composers’ rather than ‘People’, or ‘Jazz Composers’). The method refrains from encoding features specific to a particular domain or annotation, to ensure. | Instance-Driven Attachment of Semantic Annotations over Conceptual Hierarchies Janara Christensen University of Washington Seattle Washington 98195 janara@ Marius Pa ca Google Inc. Mountain View California 94043 mars@ Abstract Whether automatically extracted or human generated open-domain factual knowledge is often available in the form of semantic annotations . composed-by that take one or more specific instances . rhapsody in blue george gershwin as their arguments. This paper introduces a method for converting flat sets of instance-level annotations into hierarchically organized concept-level annotations which capture not only the broad semantics of the desired arguments . People rather than Locations but also the correct level of generality . Composers rather than People or Jazz Composers . The method refrains from encoding features specific to a particular domain or annotation to ensure immediate applicability to new previously unseen annotations. Over a gold standard of semantic annotations and concepts that best capture their arguments the method substantially outperforms three baselines on average computing concepts that are less than one step in the hierarchy away from the corresponding gold standard concepts. 1 Introduction Background Knowledge about the world can be thought of as semantic assertions or annotations at two levels of granularity instance level . rhapsody in blue tristan und isolde george gershwin richard wagner and concept level . Musical Compositions Works of Art Composers . Instance-level annotations correspond to factual knowledge that can be found in repositories extracted automatically from text Banko et al. 2007 Wu and Weld 2010 Contributions made during an internship at Google. or manually created within encyclopedic resources Remy 2002 . Such facts could state for instance that rhapsody in blue was composed-by george gershwin or that tristan und isolde was composed-by richard wagner. In .

• Báo cáo khoa học
• Instance Driven Attachment
• Semantic Annotations
• Conceptual Hierarchies
• scientific reports
• model language
• process natural language
• Dialog Control
• Natural Language System
• Dialog Control in a Natural Language System
• Expanding the Horizons
• Natural Language Interfaces
• Phil Hayes
• PROSPECTS OR PRACTICAL
• NATURAL LANGUAGE SYSTEMS
• Workshops
• NATURAL LANGUAGE
• INTERACTION WITH MACHINES
• Long Papers
• COMPUTER INTEBFACE DESIGN MURRAY TUROFF DEPARTMENT OF COMPUTER
• IiVFORMATION SCIENCE IIEW JERSEY INSTITUTE OF TECHNOLOGY
• EVALUATION OF NATURAL LANGUAGE
• INTERFACES TO DATABASE SYSTEMS
• A PANEL DISCUSSION
• database query system
• J
• Norwood Crout
• INTERFACES TO DATA BASE SYSTEMS
• Bozena Henisz
• INTERPRETING NATURAL LANGUAGE
• DATABASE UPDATES
• S
• Jermld Kaplan Jim David
• TRANSPORTABLE NATURAL LANGUAGE
• INTERFACES TO DATABASES
• Gary G
• Hendrlx and William H
• Lewis
• DATABASES THEORETICAL
• TECHNICAL ISSUES
• TRANSPORTABLE NATURAL LANGUAGE INTERFACES
• PROBLEMS AND TECHNIQUES
• Barbara J
• Grosz
• THEORETICAL TECHNICAL ISSUES
• NATURAL LANGUAGE ACCESS TO DATABASES
• R
• Petrick
• Domain Independent
• Database Access Systems
• ISSUES IN NATURAL LANGUAGE
• ACCESS TO DATABASES
• A LOGIC PROGRAMMING PERSPECTIVE
• Sharon C
• Salveter David Maier
• PLANNING NATURAL LANGUAGE
• EXPRESSIONS REFERRING
• Douglas E
• Appelt
• THE TEXT SYSTEM
• NATURAL LANGUAGE GENERATION
• Kathleen R
• M
• MENTING A DATABASE
• KNOWLEDGE REPRESENTATION
• THE KEY TO THE SELECTION PROBLEM
• E
• Jeffrey Conklin David D
• McDonald
• A KNOWLEDGE ENGINEERING
• NATURAL LANGUAGE UNDERSTANDING
• Stuart C
• Shapiro
• NATURAL LANGUAGE TEXTS
• NECESSARILY GRAMMATICAL
• EVEN COMPLETE
• UNGRAMHATICALITY
• EXTRA GRAMMATICALITY
• NATURAL LANGUAGE UNDERSTANDING SYSTEMS
• Taxonomy
• Descriptions
• Individuals in Natural
• Language Understanding
• The Use of Ooject Special Knowledge
• Natural Language Processing
• Mark H
• Bursteln