PUMA
Istituto di Scienza e Tecnologie dell'Informazione     
Tolomei G. Search the web x.0: mining and recommending web-mediated processes. In: RecSys 2009 - Third ACM Conference on Recommender systems (New York City - USA, 22-25/10 2009). Proceedings, pp. 417 - 420. ACM, 2009.
 
 
Abstract
(English)
Nowadays, people have been increasingly interested in exploiting Web Search Engines (WSEs) not only for having access to simple Web pages, but mainly for accomplishing even complex activities, namely Web-mediated processes (or taskflows). Thus, users' information needs will become more complex, and Web search and recommender systems should change accordingly for dealing with this shift. We claim that such taskflows and their composing tasks are implicitly present in users' minds when they interact with a WSE to access the Web. Our first research challenge is thus to evaluate this belief by analyzing a very large, long-term log of queries submitted to a WSE, and associating meaningful semantic labels with the extracted tasks (i.e., clusters of related queries) and taskflows. This large knowledge base constitutes a good starting point for building a model of users' behaviors. The second research challenge is to devise a novel recommender system that goes beyond the simple query suggestion of modern WSEs. Our system has to exploit the knowledge base of Web-mediated processes and the learned model of users' behaviors, to generate complex insights and task-based suggestions to incoming users while they interact with a WSE.
URL: http://portal.acm.org/toc.cfm?id=1639714&coll=ACM&dl=ACM&type=proceeding&idx=SERIES11503&part=series&WantType=Proceedings&title=RecSys&CFID=71669059&CFTOKEN=34203402
DOI: http://doi.acm.org/10.1145/1639714.1639803
Subject Recommender systems
Web-mediated process
Collaborative filtering
Content-based
Query clustering
H.2.8 Database Applications
H.3.3 Information Search and Retrieval


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