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» Kaleidoscope Data Model for An English-like Query Language
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WWW
2002
ACM
14 years 8 months ago
RQL: a declarative query language for RDF
Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the managementof large volumes of metadata, i.e., information describing the available ...
Gregory Karvounarakis, Sofia Alexaki, Vassilis Chr...
WSDM
2010
ACM
265views Data Mining» more  WSDM 2010»
14 years 5 months ago
Data-oriented Content Query System: Searching for Data into Text on the Web
As the Web provides rich data embedded in the immense contents inside pages, we witness many ad-hoc efforts for exploiting fine granularity information across Web text, such as We...
Kevin Chen-Chuan Chang, Mianwei Zhou, Tao Cheng
SIGIR
2002
ACM
13 years 7 months ago
Two-stage language models for information retrieval
The optimal settings of retrieval parameters often depend on both the document collection and the query, and are usually found through empirical tuning. In this paper, we propose ...
ChengXiang Zhai, John D. Lafferty
CIDR
2011
274views Algorithms» more  CIDR 2011»
12 years 11 months ago
Cloud Resource Orchestration: A Data-Centric Approach
Cloud computing provides users near instant access to seemingly unlimited resources, and provides service providers the opportunity to deploy complex information technology infras...
Yun Mao, Changbin Liu, Jacobus E. van der Merwe, M...
CIDR
2011
233views Algorithms» more  CIDR 2011»
12 years 11 months ago
Ibis: A Provenance Manager for Multi-Layer Systems
End-to-end data processing environments are often comprised of several independently-developed (sub-)systems, e.g. for engineering, organizational or historical reasons. Unfortuna...
Christopher Olston, Anish Das Sarma