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» Querying Complex Structured Databases
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WWW
2008
ACM
14 years 8 months ago
Efficiently querying rdf data in triple stores
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
Ying Yan, Chen Wang, Aoying Zhou, Weining Qian, Li...
PODS
2010
ACM
159views Database» more  PODS 2010»
13 years 9 months ago
On probabilistic fixpoint and Markov chain query languages
We study highly expressive query languages such as datalog, fixpoint, and while-languages on probabilistic databases. We generalize these languages such that computation steps (e....
Daniel Deutch, Christoph Koch, Tova Milo
TKDE
2012
194views Formal Methods» more  TKDE 2012»
11 years 10 months ago
A Query Formulation Language for the Data Web
— We present a query formulation language (called MashQL) in order to easily query and fuse structured data on the web. The main novelty of MashQL is that it allows people with l...
Mustafa Jarrar, Marios D. Dikaiakos
GCB
2004
Springer
91views Biometrics» more  GCB 2004»
14 years 1 months ago
A Method for Fast Approximate Searching of Polypeptide Structures in the PDB
: The main contribution of this paper is a novel approach for fast searching in huge structural databases like the PDB. The data structure is based on an adaption of the generalize...
Hanjo Täubig, Arno Buchner, Jan Griebsch
SIGMOD
2010
ACM
250views Database» more  SIGMOD 2010»
13 years 8 months ago
Expressive and flexible access to web-extracted data: a keyword-based structured query language
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
Jeffrey Pound, Ihab F. Ilyas, Grant E. Weddell