tailieunhanh - Báo cáo khoa học: "NLP for Indexing and Retrieval of Captioned Photographs"

We present a text-based approach for the automatic indexing and retrieval of digital photographs taken at crime scenes. Our research prototype, SOCIS, goes beyond keyword-based approaches and methods that extract syntactic relations from captions; it relies on advanced Natural Language Processing techniques in order to extract relational facts. These relational facts consist of a "pragmatic relation" and the entities this relation connects (triples of the form: ARG1REL- ARG2). In SOCIS, the triples are used as complex image indexing terms; however, the extraction mechanism is used not only for indexing purposes but also for image retrieval using free text queries. . | NLP for Indexing and Retrieval of Captioned Photographs Katerina Pastra Horacio Saggion Yorick Wilks Department of Computer Science University of Sheffield England - UK Tel 44-114-222-1800 Fax 44-114-222-1810 katerina saggion yorick @ Abstract We present a text-based approach for the automatic indexing and retrieval of digital photographs taken at crime scenes. Our research prototype SOCIS goes beyond keyword-based approaches and methods that extract syntactic relations from captions it relies on advanced Natural Language Processing techniques in order to extract relational facts. These relational facts consist of a pragmatic relation and the entities this relation connects triples of the form ARG1-REL- ARG2 . In SOCIS the triples are used as complex image indexing terms however the extraction mechanism is used not only for indexing purposes but also for image retrieval using free text queries. The retrieval mechanism computes similarity scores between querytriples and indexing-triples making use of a domain-specific ontology. 1 Indexing and Retrieval of Photographs The normal practice in human indexing or cataloguing of photographs is to use a text-based representation of the pictorial record having recourse to a controlled vocabulary or to free-text . On the one hand an index using authoritative sources . thesauri ensures consistency across human indexers but at the same time it renders the indexing task difficult due to the size of the keyword list that is used - not to mention the cum bersome and unintuitive requirement impose to the user to become familiar with using specific wording for the subsequent retrieval of the images. On the other hand the use of free-text association while natural makes the index representation subjective and error prone. Content-based Image Processing methods are used as an alternative to the manual-annotation bottleneck Veltkamp and Tanase 2000 . Content-based indexing and retrieval of images is based on features .

• Báo cáo khoa học
• NLP for Indexing
• Retrieval of Captioned Photographs
• Katerina Pastra
• Horacio Saggion
• 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