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- 656 isPartOf proceedings.
- 656 title "Analyzing Web Access Control Policies".
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- item-1 hasContent vladimir-kolovski.
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- item-2 hasContent james-hendler.
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- item-3 hasContent bijan-parsia.
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- 664 creator belle-tseng.
- 664 creator koji-hino.
- 664 creator xiaodan-song.
- 664 creator yun-chi.
- 664 type InProceedings.
- 664 label "Information Flow Modeling based on Diffusion Rate for Prediction and Ranking".
- 664 sameAs 664.
- 664 abstract "Information flows in a network where individuals influence each other. The diffusion rate captures how efficiently the information can diffuse among the users in the network. We propose an information flow model that leverages diffusion rates for: (1) prediction ' identify where information should flow to, and (2) ranking ' identify who will most quickly receive the information. For prediction, we measure how likely information will propagate from a specific sender to a specific receiver during a certain time period. Accordingly a rate-based recommendation algorithm is proposed that predicts who will most likely receive the information during a limited time period. For ranking, we estimate the expected time for information diffusion to reach a specific user in a network. Subsequently, a DiffusionRank algorithm is proposed that ranks users based on how quickly information will flow to them. Experiments on two datasets demonstrate the effectiveness of the proposed algorithms to both improve the recommendation performance and rank users by the efficiency of information flow.".
- 664 hasAuthorList authorList.
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- 664 title "Information Flow Modeling based on Diffusion Rate for Prediction and Ranking".
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- item-1 hasContent xiaodan-song.
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- item-2 hasContent yun-chi.
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- item-4 hasContent belle-tseng.
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- 669 creator beth-kolko.
- 669 creator emma-rose.
- 669 creator erica-johnson.
- 669 type InProceedings.
- 669 label "Communication as Information-Seeking: The Case for Mobile Social Software for Developing Regions".
- 669 sameAs 669.
- 669 abstract "In this paper, we describe several findings from a multi-year, multi-method study of how information and communication technologies have been adopted and adapted in Central Asia. We have found that mobile phone usage is outpacing that of Internet adoption, that access to the Internet is primarily through public access sites carrying with it issues regarding privacy and surveillance, that people rely on their social networks as information sources, that public institutions tend to be fairly weak as citizen resources, and that information seeking and communication are conflated in people's usage patterns with different technologies. In addition, in the developed world social networking software has grown rapidly and shown itself to have significant potential for mobilizing a population. Based on the collection of findings from Central Asia and observing patterns of technology usage in other parts of the world, our research leads to the conclusion that exploring mobile social software holds significant potential as an ICT that meshes well with preexisting patterns of communication and information seeking and also leverages the most predominant pattern of technology adoption. Many of the findings from this research echo results from studies in other geographic areas, and so we anticipate that much of this research will be relevant to developing regions generally.".
- 669 hasAuthorList authorList.
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- 669 title "Communication as Information-Seeking: The Case for Mobile Social Software for Developing Regions".
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- item-1 hasContent beth-kolko.
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- 67 creator boris-motik.
- 67 creator ian-horrocks.
- 67 creator ulrike-sattler.
- 67 type InProceedings.
- 67 label "Bridging the Gap Between OWL and Relational Databases".
- 67 sameAs 67.
- 67 abstract "Schema statements in OWL are interpreted in a different way from similar statements in a relational database setting. This can lead to problems in data-centric applications, where OWL's interpretation of the statements intended as constraints may be confusing and/or inappropriate. We propose an extension of OWL that attempts to mimic the intuition behind integrity constraints in relational databases. We discuss the algorithms for checking constraint satisfaction for different types of knowledge bases, and show that, provided the constraints are satisfied, we can disregard them while answering a broad range of positive queries.".
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- 67 title "Bridging the Gap Between OWL and Relational Databases".
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- item-1 hasContent boris-motik.
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