S. Melnik, H. Garcia-Molina, and A. Paepcke. A mediation infrastructure for digital library services. In Proceedings of ACM DL 2000.  Home/Search   Document Details and Download   Summary   Related Articles   Check

....Figure 9 with Figure 8(b) it can be seen that our method yields scenario specific correlation, e.g. treatment or diagnosis. 6 RELATED WORK Content Correlation is related to the research of mediating distributed and heterogeneous databases and searching for similar answers for a given query [22, 23, 24]. These works mainly focused on structured data sources. In this paper, we have studied the interoperability among highly unstructured data sources of free text documents. Past research on Content Correlation largely focused on applying statistical or syntactical information to link documents [8, ....

S. Melnik, H. Garcia-Molina, and A. Paepcke. A mediation infrastructure for digital library services. In Proceedings of ACM DL 2000.

....of information. Nowadays, the interoperability problem has sparked vigorous discussions in the DL community. The concept extraction, mapping and switching techniques enable users in a certain area to easily search the specialized terminology of another area. A dynamic mediator infrastructure [13] allows mediators to be composed from a set of modules, each implementing a particular mediation function, such as protocol translation, query translation, or result merging [15] 18] presents an extensible digital object and repository architecture FEDORA, which can support the aggregation of ....

S.Melnik, H.Garcia-Molina, and A.Paepcke. A mediation infrastructure for digital library services. Technical report, Stanford University, 2000.

....(and for expressing other useful inter schema information) 2, 13] This offers superior expressive power but does not address all the points made above. Likewise, a recent proposal to use a meta language for defining mapping languages seems to overcome some of the limitations of mapping languages [10], but it appears to be still inferior to mapping objects with respect to some aspects, e.g. reusability and sharing. Note that a mapping language approach can be easily combined with our approach, by putting code excerpts as part of an object. This may be necessary in particular when the ....

Sergey Melnik, H6ctor Garcia-Molina, and Andreas Paepcke, A Mediation Infrastructure for Digital Library Services, Proc. of ACM Digital Libraries Conference, ACM Press, June 2000.

....computer representation systems. Through hypertext and the World Wide Web, information networks have become commonplace. In recent research, networks have become the preferred representation for semi structured data, like BibTex, HTML, or XML [ABS99] and for translating among different DL systems [Mel00]. MARIAN search modules ( searchers ) are specialized for a universe where searching is distributed over a large graph of information objects. 3. HARVESTING APPROACHES Any warehouse [Run00] approach must be based on two building blocks: 1) a mechanism to gather or harvest data from sources; and ....

Melnik, S., H. Garcia-Molina and A. Paepcke, "A mediation infrastructure for digital library services." Proc. 5 th ACM Conference on Digital Libraries (San Antonio, June 2-7, 2000), pp.123-132

....First, structure and relationships in MARIAN collections are captured in the form of an information network of explicit nodes and links. Similar graph based models have proven effective in representing semi structured data and Web documents [1] and for translating among different DL systems [17]. Second, MARIAN expands this model by insisting that the nodes and links of a collection graph be members of object oriented classes. Classes are an organizing method similar to link labels in semi structured graphs, but are strictly more powerful because they form a full lattice of subsets and ....

Melnik, S., H. Garcia-Molina and A. Paepcke, "A Mediation infrastructure for digital library services" Proc. 5 th ACM Digital Libraries, San Antonio, 2000 pp.123-132.

....and providing users with a coherent view of a massive amount of information [29, 6] The concept extraction, mapping and switching techniques, developed in [4, 6] enable users in a certain area to easily search the specialized terminology of another area. A dynamic mediator infrastructure [23] allows mediators to be composed from a set of modules, each implementing a particular mediation function, such as protocol translation, query translation, or result merging [26] 28, 17] present an extensible digital object and repository architecture FEDORA, which can support the aggregation of ....

S. Melnik, H. Garcia-Molina, and A. Paepcke. A mediation infrastructure for digital library services. Technical report, Standford University, 2000.

....the DL community [SC99, SMC 99, Sch98, Sch95, Che99, PBLO99, PCGMW98] The concept extraction, mapping and switching techniques, developed in [BHCS99, MG95, CSN97] enable users in a certain area to easily search the specialized terminology of another area. A dynamic mediator infrastructure [MGMP00] allows mediators to be composed from a set of modules, each implementing a particular mediation function, such as protocol translation, query translation, or result merging [PBJ 00] PL99, JL97] present an extensible digital object and repository architecture FEDORA, which can support the ....

S. Melnik, H. Garcia-Molina, and A. Paepcke. A mediation infrastructure for digital library services. Technical report, Standford University, 2000.

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S. Melnik, H. Garcia-Molina, and A. Paepcke, "A Mediation Infrastructure for Digital Library Services," Proc. ACM Digital Libraries Conf., ACM Press, June 2000.

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