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» Strategies in Rigid-Variable Methods
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ESEC
1999
Springer
14 years 22 days ago
Yesterday, My Program Worked. Today, It Does Not. Why?
Imagine some program and a number of changes. If none of these changes is applied (“yesterday”), the program works. If all changes are applied (“today”), the program does n...
Andreas Zeller
FOCS
1998
IEEE
14 years 22 days ago
The Complexity of Acyclic Conjunctive Queries
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
Georg Gottlob, Nicola Leone, Francesco Scarcello
VISUALIZATION
1997
IEEE
14 years 20 days ago
Multiresolution compression and reconstruction
This paper presents a framework for multiresolution compression and geometric reconstruction of arbitrarily dimensioned data designed for distributed applications. Although being ...
Oliver G. Staadt, Markus H. Gross, Roger Weber
VLDB
1997
ACM
134views Database» more  VLDB 1997»
14 years 18 days ago
Spatial Joins Using R-trees: Breadth-First Traversal with Global Optimizations
R-tree based spatial join is useful because of both its superior performance and the wide spread implementation of R-trees. We present a new R-tree join method called BFRJ (Breadt...
Yun-Wu Huang, Ning Jing, Elke A. Rundensteiner
KDD
2010
ACM
252views Data Mining» more  KDD 2010»
14 years 10 days ago
Fast query execution for retrieval models based on path-constrained random walks
Many recommendation and retrieval tasks can be represented as proximity queries on a labeled directed graph, with typed nodes representing documents, terms, and metadata, and labe...
Ni Lao, William W. Cohen