5154 search results - page 990 / 1031 » Modelling online education |
245
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
We are experiencing a new Social Web, where people share, communicate, commiserate, and conflict with each other. As evidenced by systems like Wikipedia, twitter, and delicious.co...
348
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
151
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Recently, the Web has been rapidly "deepened" by many searchable databases online, where data are hidden behind query forms. For modelling and integrating Web databases,...
146
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PODS
2002
ACM
16 years 4 months ago
2002
ACM
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
127
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ICFP
2006
ACM
16 years 4 months ago
2006
ACM
A transient hardware fault occurs when an energetic particle strikes a transistor, causing it to change state. These faults do not cause permanent damage, but may result in incorr...