5290 search results - page 447 / 1058 » Information systems as social structures |
163
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PAMI
2006
15 years 7 months ago
2006
In documents, tables are important structured objects that present statistical and relational information. In this paper, we present a robust system which is capable of detecting t...
216
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IPPS
2009
IEEE
16 years 1 months ago
2009
IEEE
Graph-theoretic abstractions are extensively used to analyze massive data sets. Temporal data streams from socioeconomic interactions, social networking web sites, communication t...
204
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IS
2008
15 years 7 months ago
2008
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
208
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IIE
2008
15 years 6 months ago
2008
Abstract. An exploratory study of students' engagement in online learning and knowledge building is presented in this paper. Learning in an online community, composed of stude...
274
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ICDE
2012
IEEE
13 years 9 months ago
2012
IEEE
— The web today is increasingly characterized by social and real-time signals, which we believe represent two frontiers in information retrieval. In this paper, we present Earlyb...