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PVLDB
2010
150views more  PVLDB 2010»
15 years 5 months ago
DataGarage: Warehousing Massive Performance Data on Commodity Servers
Contemporary datacenters house tens of thousands of servers. The servers are closely monitored for operating conditions and utilizations by collecting their performance data (e.g....
Charles Loboz, Slawek Smyl, Suman Nath
PVLDB
2010
110views more  PVLDB 2010»
15 years 5 months ago
Graph Homomorphism Revisited for Graph Matching
In a variety of emerging applications one needs to decide whether a graph G matches another Gp, i.e., whether G has a topological structure similar to that of Gp. The traditional ...
Wenfei Fan, Jianzhong Li, Shuai Ma, Hongzhi Wang, ...
PVLDB
2010
83views more  PVLDB 2010»
15 years 5 months ago
Updatable and Evolvable Transforms for Virtual Databases
Applications typically have some local understanding of a database schema, a virtual database that may differ significantly from the actual schema of the data where it is stored...
James F. Terwilliger, Lois M. L. Delcambre, David ...
PVLDB
2010
152views more  PVLDB 2010»
15 years 5 months ago
k-Nearest Neighbors in Uncertain Graphs
Complex networks, such as biological, social, and communication networks, often entail uncertainty, and thus, can be modeled as probabilistic graphs. Similar to the problem of sim...
Michalis Potamias, Francesco Bonchi, Aristides Gio...
PVLDB
2010
103views more  PVLDB 2010»
15 years 5 months ago
Fast Optimal Twig Joins
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
Nils Grimsmo, Truls Amundsen Bjørklund, Mag...