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150
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COMPGEOM
2010
ACM
15 years 9 months ago
2010
ACM
Let D be a weighted directed graph cellularly embedded in a surface of genus g, orientable or not, possibly with boundary. We describe algorithms to compute a shortest non-contrac...
193
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COMPGEOM
2010
ACM
15 years 9 months ago
2010
ACM
In this paper, we introduce a simple, randomized dynamic data structure for storing multidimensional point sets, called a quadtreap. This data structure is a randomized, balanced ...
154
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HT
2010
ACM
15 years 9 months ago
2010
ACM
While recent research has advanced our understanding about the structure and dynamics of social tagging systems, we know little about (i) the underlying motivations for tagging (w...
114
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PODS
2010
ACM
15 years 9 months ago
2010
ACM
It is well known that a search engine can significantly benefit from an auxiliary database, which can suggest interpretations of the search query by means of the involved concep...
151
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PODS
2010
ACM
15 years 9 months ago
2010
ACM
In the last few years, a lot of attention has been paid to the specification and subsequent manipulation of schema mappings, a problem which is of fundamental importance in metad...