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» Graph-Based Induction for General Graph Structured Data
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XSYM
2004
Springer
129views Database» more  XSYM 2004»
15 years 3 months ago
Fractional XSketch Synopses for XML Databases
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
Natasha Drukh, Neoklis Polyzotis, Minos N. Garofal...
SAC
2011
ACM
14 years 22 days ago
A semantically rich approach for collaborative model edition
We propose a novel approach and tool for collaborative software engineering and development. In model-based software engineering, the underlying data structure is a complex, direc...
Jonathan Michaux, Xavier Blanc, Marc Shapiro, Pier...
STOC
2010
ACM
170views Algorithms» more  STOC 2010»
15 years 2 months ago
Connectivity oracles for failure prone graphs
Dynamic graph connectivity algorithms have been studied for many years, but typically in the most general possible setting, where the graph can evolve in completely arbitrary ways...
Ran Duan, Seth Pettie
CORR
2010
Springer
128views Education» more  CORR 2010»
14 years 7 months ago
Trajectory Codes for Flash Memory
Abstract--Flash memory is well-known for its inherent asymmetry: the flash-cell charge levels are easy to increase but are hard to decrease. In a general rewriting model, the store...
Anxiao Jiang, Michael Langberg, Moshe Schwartz, Je...
CORR
2010
Springer
249views Education» more  CORR 2010»
14 years 10 months ago
Lower Bounds on Near Neighbor Search via Metric Expansion
In this paper we show how the complexity of performing nearest neighbor (NNS) search on a metric space is related to the expansion of the metric space. Given a metric space we loo...
Rina Panigrahy, Kunal Talwar, Udi Wieder