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174
Voted
KDD
2008
ACM
16 years 7 months ago
2008
ACM
We present a detailed study of network evolution by analyzing four large online social networks with full temporal information about node and edge arrivals. For the first time at ...
210
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VLDB
2005
ACM
16 years 4 days ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
174
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ICECCS
1995
IEEE
15 years 10 months ago
1995
IEEE
When trying to describe the behaviour of large systems, such as the business processes of large enterprises, we often adopt diagramming techniques based on derivatives of data flo...
164
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SSDBM
2006
IEEE
16 years 21 days ago
2006
IEEE
In many modern applications, there are no exact values available to describe the data objects. Instead, the feature values are considered to be uncertain. This uncertainty is mode...
192
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SIGIR
2006
ACM
16 years 19 days ago
2006
ACM
Memory-based methods for collaborative filtering predict new ratings by averaging (weighted) ratings between, respectively, pairs of similar users or items. In practice, a large ...