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检索条件"主题词=semantic query optimization"
27 条 记 录,以下是1-10 订阅
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GEqO: ML-Accelerated semantic Equivalence Detection
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Proceedings of the ACM on Management of Data 2023年 第4期1卷 1-25页
作者: Brandon Haynes Rana Alotaibi Anna Pavlenko Jyoti Leeka Alekh Jindal Yuanyuan Tian Microsoft Gray Systems Lab Redmond WA USA Microsoft Redmond WA USA SmartApps Bellevue WA USA
Large scale analytics engines have become a core dependency for modern data-driven enterprises to derive business insights and drive actions. These engines support a large number of analytic jobs processing huge volum... 详细信息
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The backchase revisited
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VLDB JOURNAL 2014年 第3期23卷 495-516页
作者: Meier, Michael Fluid Operat AG D-69190 Walldorf Germany
semantic query optimization is the process of finding equivalent rewritings of an input query given constraints that hold in a database instance. In this paper, we report about a Chase & Backchase (C&B) algori... 详细信息
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semantic query optimization on object-oriented database
Semantic query optimization on object-oriented database
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13th ISSAT International Conference on Reliabitity and Quality in Design
作者: Wang, Mei-Tzu Chinese Culture Univ Dept Informat Management Taipei Taiwan
In this paper we discuss the problem of query optimization on object-oriented database. Rich semantic knowledge in terms of class hierarchy, aggregation hierarchy, and integrity constraints are considered in this work... 详细信息
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semantic query optimization: Correctness and Control
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JOURNAL OF ADVANCED COMPUTATIONAL INTELLIGENCE AND INTELLIGENT INFORMATICS 2006年 第3期10卷 270-280页
作者: Chippimolchai, Pongtawat Akama, Kiyoshi Wuwongse, Vilas Asian Inst Technol Comp Sci & Informat Management Program Km 42Paholyothin Highway Klongluang 12120 Pathumthani Thailand Hokkaido Univ Div Large Scale Computat Syst Informat Initiat Ct Kita Ku Sapporo Hokkaido 0600811 Japan
We developed a semantic query optimization framework for deductive databases based on equivalent transformation (ET) rules. ET rules, prepared from the semantic knowledge of databases, such as integrity constraints, t... 详细信息
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A constraint-aware query optimizer for web-based data integration
A constraint-aware query optimizer for web-based data integr...
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4th International Conference on Web Information Systems and Technologies
作者: Lu, Jing Mitschang, Bernhard Univ Stuttgart IPVS Stuttgart Germany
Web has brought forth opportunities to connect information sources across all types of boundaries. Data integration is to combine data residing at different sources and providing the user with a unified view of these ... 详细信息
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Intelligent query answering with data mining techniques
Intelligent query answering with data mining techniques
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International Conference on Computer Engineering and Systems (ICCES 07)
作者: Mohammed, H. K. Soliman, A. F. Ain Shams Univ Dept Comp & Syst Engn Cairo Egypt
Data mining in databases is an important issue in the development of data and knowledge-base systems. It facilitates querying database knowledge and semantic query optimization. The aim of the work is to use data mini... 详细信息
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Application semantics in query optimization for WSNs  07
Application Semantics in Query Optimization for WSNs
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5th ACM Conference on Embedded Networked Sensor Systems
作者: Tanin, Egemen Chen, Songting Tatemura, Junichi Hsiung, Wang-Pin NEC Laboratories America and University of Melbourne NEC Laboratories America
Efficient data acquisition in WSNs has attracted significant interest. For example, TinyDB [2] introduced query dissemination and data aggregation trees. Later, a probabilistic model of the physical world is used in [... 详细信息
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Description logics for semantic query optimization in object-oriented database systems
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ACM TRANSACTIONS ON DATABASE SYSTEMS 2003年 第1期28卷 1-50页
作者: Beneventano, D Bergamaschi, S Sartori, C Univ Modena & Reggio Emilia Modena Italy CNR CSITE I-00185 Rome Italy Univ Bologna I-40126 Bologna Italy
semantic query optimization uses semantic knowledge (i.e., integrity constraints) to transform a query into an equivalent one that may be answered more efficiently. This article proposes a general method for semantic ... 详细信息
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A semantic approach to optimize linear datalog programs
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ACTA INFORMATICA 2006年 第5期43卷 341-370页
作者: Parama, Jose R. Brisaboa, Nieves R. Penabad, Miguel R. Places, Angeles S. Univ A Coruna Fac Informat Dept Comp Sci Database Lab La Coruna Spain
In this work, we present a semantic query optimization approach to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we can state our main contribution as an a... 详细信息
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Global semantic query optimizer in multidatabase systems
Global semantic query optimizer in multidatabase systems
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10th World Multi-Conference on Systemics, Cybernetics and Informatics/12th International Conference on Information Systems Analysis and Synthesis
作者: Rachburi, Nachirat Chittayasothorn, Suphamit King Mongkuts Inst Technol Dept Comp Engn Bangkok 10520 Thailand King Mongkuts Inst Technol Ladkrabang Dept Comp Engn Fac Engn Bangkok 10520 Thailand
At present, multidatabase systems provide access to local databases via gateway protocols. Users have to be aware of product-specific features of local database management systems. query optimization in multidatabase ... 详细信息
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