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» Answering Queries using Humans, Algorithms and Databases
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SIGMOD
2009
ACM
192views Database» more  SIGMOD 2009»
16 years 6 months ago
Scalable join processing on very large RDF graphs
With the proliferation of the RDF data format, engines for RDF query processing are faced with very large graphs that contain hundreds of millions of RDF triples. This paper addre...
Thomas Neumann, Gerhard Weikum
EDBT
2009
ACM
172views Database» more  EDBT 2009»
15 years 11 months ago
Continuous visible nearest neighbor queries
In this paper, we identify and solve a new type of spatial queries, called continuous visible nearest neighbor (CVNN) search. Given a data set P, an obstacle set O, and a query li...
Yunjun Gao, Baihua Zheng, Wang-Chien Lee, Gencai C...
IRI
2003
IEEE
15 years 11 months ago
Damage Pattern Mining in Hurricane Image Databases
– We present a damage pattern mining framework for hurricane data on residential houses using aerial photographs with 1:3000 based scale. The vertical photographs are normally co...
Shu-Ching Chen, Mei-Ling Shyu, Chengcui Zhang, Wal...
WEBDB
2005
Springer
97views Database» more  WEBDB 2005»
16 years 10 hour ago
Towards a Query Language for Multihierarchical XML: Revisiting XPath
In recent years it has been argued that when XML encodings become complex, DOM trees are no longer adequate for query processing. Alternative representations of XML documents, suc...
Ionut Emil Iacob, Alex Dekhtyar
CORR
2010
Springer
157views Education» more  CORR 2010»
15 years 6 months ago
Efficient Clustering with Limited Distance Information
Given a point set S and an unknown metric d on S, we study the problem of efficiently partitioning S into k clusters while querying few distances between the points. In our model ...
Konstantin Voevodski, Maria-Florina Balcan, Heiko ...