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- W179624979 abstract "AbstractThis paper presents an enhanced holistic information retrieval (IR) system that aims to automate the entire process of Web-based IR. The system consists of four types of agents: (1) a User profiling agent (UPA) that filters and reorders URLs based on a user’s interests, (2) ontology-enhanced Web browsing agents (WBAs) that are used to autonomously browse and scan multiple Websites to determine and rate the relevance of Websites, (3) Web monitoring agents (WMAs) that are used for tracking and reporting changes in selected Websites, and (4) price watcher agents (PWAs) that monitor product prices from competing suppliers’ Websites. A UPA generates a profile of a user’s interests, then filters and reorders URLs based on the interests of the user. WBAs perform information filtering by considering three relevance metrics: ontological relations, frequency, and nearness of keywords. The general idea of Website monitoring is that each WMA is programmed to download a new copy of a Website and compare it with the old copy. WMAs allow users to specify monitoring rules, and provide user interface for specifying patterns and data to be monitored. PWAs invoke the functionalities of WBAs and WMAs for browsing and monitoring multiple Websites displaying different prices of a product. Whereas empirical results show that WBAs are likely to rate the relevance of Website with a small degree of error, the UPA can generally identify URLs that a user is more likely to be interested in. Proof-of-concept examples demonstrate the major functionalities of WMAs and PWAs.KeywordsWeb information retrievalsoftware agent" @default.
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- W179624979 date "2009-01-01" @default.
- W179624979 modified "2023-10-01" @default.
- W179624979 title "Agents for User-Profiling, Information Filtering, and Information Monitoring" @default.
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- W179624979 doi "https://doi.org/10.1007/978-90-481-3517-2_35" @default.
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