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» Conjunctive Query Answering in EL using a Database System
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CORR
2010
Springer
160views Education» more  CORR 2010»
13 years 8 months ago
Scalable Probabilistic Databases with Factor Graphs and MCMC
Incorporating probabilities into the semantics of incomplete databases has posed many challenges, forcing systems to sacrifice modeling power, scalability, or treatment of relatio...
Michael L. Wick, Andrew McCallum, Gerome Miklau
SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
14 years 8 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou
SIGOPS
2010
105views more  SIGOPS 2010»
13 years 3 months ago
SelfTalk for Dena: query language and runtime support for evaluating system behavior
We introduce SelfTalk, a novel declarative language that allows users to query and understand the status of a large scale system. SelfTalk is sufficiently expressive to encode an ...
Saeed Ghanbari, Gokul Soundararajan, Cristiana Amz...
VLDB
2012
ACM
360views Database» more  VLDB 2012»
12 years 4 months ago
An adaptive updating protocol for reducing moving object database workload
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
Su Chen, Beng Chin Ooi, Zhenjie Zhang
ISEMANTICS
2010
13 years 7 months ago
An evaluation of approaches to federated query processing over linked data
The Web has evolved from a global information space of linked documents to a web of linked data. The Web of Data enables answering complex, structured queries that could not be an...
Peter Haase, Tobias Mathäß, Michael Zil...