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Toward On-the-fly Personal Information Integration



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SEMEX Toward On the fly Personal Information Integration Xin Dong Alon Halevy Ema Nemes Pedro Domingos Stephan B Sigurdsson lunadong alon enemes stebbi pedrod cs washington edu University of Washington Seattle Abstract On the fly information integration attempts to change the basic cost benefit equation association with building information integration applications This paper argues that on the fly can be supported by extending one s personal information space As a first step in this direction we describe the Semex system that provides a logical and integrated view of one s personal information 1 Introduction The advent of modern networking technology has enabled numerous opportunities for sharing data among multiple parties Today data sharing and integration is crucial in large enterprises government agencies collaborative scientific projects and in our personal information management where individuals need to share data from various sources The pervasive applications of data sharing and integration have led to a very fruitful line of research and recently to a significant industry as well Despite the immense progress building an information integration application is still a major undertaking that requires significant resources upfront effort and technical expertise Today information integration projects proceed by identifying needs in an organization and the appropriate set of data sources that support these needs typically focusing on frequently recurring queries throughout the organization As a result current information integration systems have two major drawbacks First evolving the system is hard as the requirements in the organization change Second many smaller scale and more transient information integration tasks that we face on a daily basis are not supported In particular integration that involves personal data sources on one s desktop or in one s laboratory is not supported The vision of on the fly information integration is to fundamentally change the



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