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Probabilistic, object-oriented logics for annotation-based retrieval in digital libraries
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Source International Conference on Digital Libraries archive
Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries table of contents
Chapel Hill, NC, USA
SESSION: Classification and links table of contents
Pages: 55 - 64  
Year of Publication: 2006
ISBN:1-59593-354-9
Authors
Ingo Frommholz  University of Duisburg-Essen, Duisburg Germany
Norbert Fuhr  University of Duisburg-Essen, Duisburg Germany
Sponsors
ACM: Association for Computing Machinery
SIGIR: ACM Special Interest Group on Information Retrieval
SIGWEB: ACM Special Interest Group on Hypertext, Hypermedia, and Web
Publisher
ACM  New York, NY, USA
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ABSTRACT

In this paper we introduce POLAR, a probabilistic object-oriented logical framework for annotation-based information retrieval. In POLAR, the knowledge about digital objects, annotations and their relationships in a digital library repository can be modelled considering certain characteristics of annotations and annotated objects. Insights about these characteristics are gained by an analysis of the annotation models behind existing systems and a discussion of an object-oriented, logical view on relevant objects in a digital library. Retrieval methods applied in a digital library should take annotations into account to satisfy users' information needs. POLAR thus supports a wide range of flexible and powerful annotation-based fact and content queries by making use of knowledge and relevance augmentation. An evaluation of our approach on email discussions shows performance improvements when annotation characteristics are considered.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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Collaborative Colleagues:
Ingo Frommholz: colleagues
Norbert Fuhr: colleagues