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Abstract: When we integrate information sources that are managed locally, the integrated objects are often semistructured, since different sets of information sources participate in forming each of the objects. Such integration requires outer join and conversion operators: outer join operators prevent information loss that would be caused by inner joins, and conversion operators are used to mediate the inconsistency among information sources. These operators impose restrictions on the order of query... (Update)
Context of citations to this paper: More
.... For surveys, see [1, 14] How to manipulate semistructured data coming from various sources has also received some attention [3, 6, 11, 10, 21, 28]. Earlier proposals are based on simple graph based data models such as OEM [29] or tree based data models such as the one in [8]...
...heterogeneous data. How to integrate semistructured data coming from various sources has also received considerable attentions [3, 6, 12, 9, 27, 38]. However, most existing work uses a simple graph based or tree based semistructured data model to represent heterogeneous data...
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0.5: Outerjoins as Disjunctions - Galindo-Legaria (Correct)
0.2: Integration of Maximum Information Using Outerjoins, Predicates.. - Munakata (1999) (Correct)
0.2: Outer Joins and Filters for Instantiating Objects from.. - Lee, Wiederhold (1990) (Correct)
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BibTeX entry: (Update)
K. Munakata. Integration of Semistructured Data Using Outer Joins. In Proceedings of the Workshop on Management of Semistructured Data, 1997. http://citeseer.ist.psu.edu/munakata97integration.html More
@misc{ munakata97integration,
author = "K. Munakata",
title = "Integration of Semistructured Data Using Outer Joins",
text = "K. Munakata. Integration of Semistructured Data Using Outer Joins. In Proceedings
of the Workshop on Management of Semistructured Data, 1997.",
year = "1997",
url = "citeseer.ist.psu.edu/munakata97integration.html" }
Citations (may not include all citations):460 Mediators in the architecture of future information systems - Wiederhold - 1992
316 Object Exchange Across Heterogeneous Information Sources - Papakonstantinou, Garcia-Molina et al. - 1995
300 The TSIMMIS Project: Integration of Heterogeneous Informatio.. - Chawathe, Garcia-Molina et al. - 1994
97 MedMaker:A Mediation System Based on Declarative Specication.. - Papakonstantinou, Garcia-Molina et al. - 1996
77 A Query Translation Scheme for Rapid Implementation of Wrapp.. - Papakonstantinou, Gupta et al. - 1995
39 Rule Based Query Rewrite Optimization in Starburst (context) - Pirahesh, Hellerstein et al. - 1992
4 The Outer join (context) - Date - 1983
2 Advanced Capabilities of the Outer Join (context) - David - 1992
1 Query Processing for Integration of Heterogeneous Informatio.. (context) - Munakata - 1996
1 Outer joins and lters for instantiating objects from relatio.. (context) - Lee, Wiederhold - 1994
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