Web page classification: Features and algorithms
ACM Computing Surveys (CSUR)
Reprint of: The anatomy of a large-scale hypertextual web search engine
Computer Networks: The International Journal of Computer and Telecommunications Networking
Serefind: a social networking website for classifieds
Proceedings of the 22nd international conference on World Wide Web companion
Crowd-powered systems
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This paper presents the design and implementation of Serefind: a crowd-powered search engine where search results are mostly curated, generated, ranked, and reviewed by the users. We addressed various challenges in designing a crowd-powered search engine such as heterogeneous data sharing with well-defined data definition or schema, security and privacy issues, quality assurances, etc. We propose novel user interfaces and design solutions to overcome those issues. A prototype is available at http://serefind.com. Finally, we demonstrated various use cases of Serefind such as finding, sharing, and exploring news, places, jobs, classifieds, events, crime, dating, real estate, multimedia, etc.