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» Queries and Computation on the Web
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OTM
2007
Springer
14 years 4 months ago
Leveraging the Expressivity of Grounded Conjunctive Query Languages
We present a pragmatic extension of a Semantic Web query language (including so-called grounded conjunctive queries) with a termination safe functional expression language. This ad...
Alissa Kaplunova, Ralf Möller, Michael Wessel
ESWS
2011
Springer
13 years 1 months ago
Zero-Knowledge Query Planning for an Iterator Implementation of Link Traversal Based Query Execution
Abstract. Link traversal based query execution is a new query execution paradigm for the Web of Data. This approach allows the execution engine to discover potentially relevant dat...
Olaf Hartig
WAW
2007
Springer
77views Algorithms» more  WAW 2007»
14 years 4 months ago
Using Bloom Filters to Speed Up HITS-Like Ranking Algorithms
Abstract. This paper describes a technique for reducing the querytime cost of HITS-like ranking algorithm. The basic idea is to compute for each node in the web graph a summary of ...
Sreenivas Gollapudi, Marc Najork, Rina Panigrahy
CORR
2010
Springer
117views Education» more  CORR 2010»
13 years 10 months ago
Semantic Query Optimisation with Ontology Simulation
Semantic Web is, without a doubt, gaining momentum in both industry and academia. The word "Semantic" refers to "meaning"
Siddharth Gupta, Narina Thakur
ERCIMDL
2010
Springer
158views Education» more  ERCIMDL 2010»
13 years 11 months ago
Ranking Entities Using Web Search Query Logs
Abstract Searching for entities is an emerging task in Information Retrieval for which the goal is finding well defined entities instead of documents matching the query terms. In t...
Bodo Billerbeck, Gianluca Demartini, Claudiu S. Fi...