Understanding the Hidden Web
Total Page:16
File Type:pdf, Size:1020Kb
Introduction General Framework Different Modules Conclusion Understanding the Hidden Web Pierre Senellart Athens University of Economics & Business, 28 July 2008 Introduction General Framework Different Modules Conclusion Simple problem Contact all co-authors of Serge Abiteboul. It’s easy! You just need to: Find all co-authors. For each of them, find their current email address. Introduction General Framework Different Modules Conclusion Advanced Scholar Search Advanced Search Tips | About Google Scholar Find articles with all of the words with the exact phrase with at least one of the words without the words where my words occur Author Return articles written by e.g., "PJ Hayes" or McCarthy Publication Return articles published in e.g., J Biol Chem or Nature Date Return articles published between — e.g., 1996 Subject Areas Return articles in all subject areas. Return only articles in the following subject areas: Biology, Life Sciences, and Environmental Science Business, Administration, Finance, and Economics Chemistry and Materials Science Engineering, Computer Science, and Mathematics Medicine, Pharmacology, and Veterinary Science Physics, Astronomy, and Planetary Science Social Sciences, Arts, and Humanities ©2007 Google Introduction General Framework Different Modules Conclusion Advanced Scholar Search Advanced Search Tips | About Google Scholar Find articles with all of the words with the exact phrase with at least one of the words without the words where my words occur Author Return articles written by e.g., "PJ Hayes" or McCarthy Publication Return articles published in e.g., J Biol Chem or Nature Date Return articles published between — e.g., 1996 Subject Areas Return articles in all subject areas. Return only articles in the following subject areas: Biology, Life Sciences, and Environmental Science Business, Administration, Finance, and Economics Chemistry and Materials Science Engineering, Computer Science, and Mathematics Medicine, Pharmacology, and Veterinary Science Physics, Astronomy, and Planetary Science Social Sciences, Arts, and Humanities ©2007 Google Introduction General Framework Different Modules Conclusion Advanced Scholar Search Scholar Preferences Scholar Help Scholar All articles ǖ Recent articles Results 21 ǖ 30 of about 950 for author:abiteboul . ( 0.13 seconds) Querying documents in object databases ǖ all 3 versions » abiteboul S Abiteboul , S Cluet, V Christophides, T Milo, G … ǖ International Journal on Digital Libraries, 1997 ǖ Springer S Abiteboul Abstract. We consider the problem of storing and accessing documents (SGML and V Vianu HTML, in particular) using database technology. To specify the database image of J McHugh documents, we use structuring schemas that consist in grammars annotated ... Cited by 159 ǖ Related Articles ǖ Web Search R Hull J Widom Generic Computation and its complexity ǖ all 2 versions » S Abiteboul , V Vianu ǖ Proceedings of the twentyǖthird annual ACM symposium on …, 1991 ǖ portal.acm.org Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the ACM copyright notice and the title of the publication and its date appear, ... Cited by 156 ǖ Related Articles ǖ Web Search [PDF] ChangeǖCentric Management of Versions in an XML Warehouse ǖ all 10 versions » A Marian, S Abiteboul , G Cobena, L Mignet ǖ Proceedings of VLDB 2001, 2001 ǖ gregory.cobena.free.fr Abstract: We present a changeǖcentric method to manage versions in a Web WareHouse of XML data. The starting points is a sequence of snapshots of XML documents we obtain from the web. By running a diff algorithm, we compute ... Cited by 154 ǖ Related Articles ǖ View as HTML ǖ Web Search [BOOK] COL: A LogicBased Language for Complex Objects ǖ all 6 versions » S Abiteboul , S Grumbach ǖ Springer Abstract: A logicǖbased language for manipalating complex objects constructed using set and tuple constructors is introduced. A key feature of the language is the use of base and derived data functions. Under some stratification resǖ ... Cited by 150 ǖ Related Articles ǖ Web Search ǖ SUDOC Catalogue On views and XML ǖ all 22 versions » S Abiteboul ǖ ACM SIGMOD Record, 1999 ǖ portal.acm.org The notion of views is essential in databases, see for inǖ stance [29, 30, 5]. It allows various users to see data from different viewpoints. In the present paper, we informally present works of the author on the topic. Instead of ... Cited by 138 ǖ Related Articles ǖ Web Search Non first normal form relations: An algebra allowing data restructuring ǖ all 5 versions » S Abiteboul , N Bidoit ǖ Journal of Computer and System Sciences, 1986 ǖ portal.acm.org Google, Inc. Subscribe (Full Service), Register (Limited Service, Free), Login. Search: The ACM Digital Library The Guide. Feedback Report a problem Satisfaction survey. Non first normal form relations: An algebra allowing data restructuring ... Cited by 138 ǖ Related Articles ǖ Web Search Representing and querying changes in semistructured data ǖ all 11 versions » SS Chawathe, S Abiteboul , J Widom ǖ Data Engineering, 1998. Proceedings., 14th International …, 1998 ǖ ieeexplore.ieee.org Abstract Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a hisǖ tory of changes to data, and to query over ... Cited by 128 ǖ Related Articles ǖ Web Search Monitoring XML data on the Web ǖ all 8 versions » B Nguyen, S Abiteboul , G Cobena, M Preda ǖ ACM SIGMOD Record, 2001 ǖ portal.acm.org ABSTRACT ¢¤£¦¥¨§ © £ ! #"$£&%'§(©$ ) #§ 0 1©$23§54 6879§ A@¤§(4B 1© ¥C§(%D 1©923 $§B¥CE$%'£ ©FG CH IP§( Q£SR9 Q£T¥ c £ 0V`U 6( Q2(£d@e65 Q£ "9§(E 0£gf9E$ )U) 34h Q§ %piqIPra $§B¥Ë ... Cited by 130 ǖ Related Articles ǖ Web Search [PS] Incremental maintenance for materialized views over semistructured data ǖ all 9 versions » S Abiteboul , J McHugh, M Rys, V Vassalos, JL … ǖ Proceedings of the 24rd International Conference on Very …, 1998 ǖ wwwǖrocq.inria.fr Semistructured data is not strictly typed like relational or objectǖoriented data and may be irregular or incomplete. It often arises in practice, eg, when heterogeneous data sources are integrated or data is taken from the World ... Cited by 125 ǖ Related Articles ǖ View as HTML ǖ Web Search Introduction General Framework Different Modules Conclusion Advanced Scholar Search Scholar Preferences Scholar Help Scholar All articles ǖ Recent articles Results 21 ǖ 30 of about 950 for author:abiteboul . ( 0.13 seconds) Querying documents in object databases ǖ all 3 versions » abiteboul S Abiteboul , S Cluet, V Christophides, T Milo, G … ǖ International Journal on Digital Libraries, 1997 ǖ Springer S Abiteboul Abstract. We consider the problem of storing and accessing documents (SGML and V Vianu HTML, in particular) using database technology. To specify the database image of J McHugh documents, we use structuring schemas that consist in grammars annotated ... Cited by 159 ǖ Related Articles ǖ Web Search R Hull J Widom Generic Computation and its complexity ǖ all 2 versions » S Abiteboul , V Vianu ǖ Proceedings of the twentyǖthird annual ACM symposium on …, 1991 ǖ portal.acm.org Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the ACM copyright notice and the title of the publication and its date appear, ... Cited by 156 ǖ Related Articles ǖ Web Search [PDF] ChangeǖCentric Management of Versions in an XML Warehouse ǖ all 10 versions » A Marian, S Abiteboul , G Cobena, L Mignet ǖ Proceedings of VLDB 2001, 2001 ǖ gregory.cobena.free.fr Abstract: We present a changeǖcentric method to manage versions in a Web WareHouse of XML data. The starting points is a sequence of snapshots of XML documents we obtain from the web. By running a diff algorithm, we compute ... Cited by 154 ǖ Related Articles ǖ View as HTML ǖ Web Search [BOOK] COL: A LogicBased Language for Complex Objects ǖ all 6 versions » S Abiteboul , S Grumbach ǖ Springer Abstract: A logicǖbased language for manipalating complex objects constructed using set and tuple constructors is introduced. A key feature of the language is the use of base and derived data functions. Under some stratification resǖ ... Cited by 150 ǖ Related Articles ǖ Web Search ǖ SUDOC Catalogue On views and XML ǖ all 22 versions » S Abiteboul ǖ ACM SIGMOD Record, 1999 ǖ portal.acm.org The notion of views is essential in databases, see for inǖ stance [29, 30, 5]. It allows various users to see data from different viewpoints. In the present paper, we informally present works of the author on the topic. Instead of ... Cited by 138 ǖ Related Articles ǖ Web Search Non first normal form relations: An algebra allowing data restructuring ǖ all 5 versions » S Abiteboul , N Bidoit ǖ Journal of Computer and System Sciences, 1986 ǖ portal.acm.org Google, Inc. Subscribe (Full Service), Register (Limited Service, Free), Login. Search: The ACM Digital Library The Guide. Feedback Report a problem Satisfaction survey. Non first normal form relations: An algebra allowing data restructuring ... Cited by 138 ǖ Related Articles ǖ Web Search Representing and querying changes in semistructured data ǖ all 11 versions » SS Chawathe, S Abiteboul , J Widom ǖ Data Engineering, 1998. Proceedings., 14th International …, 1998 ǖ ieeexplore.ieee.org Abstract Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a hisǖ tory of changes to data, and to query over ... Cited by 128 ǖ Related Articles ǖ Web Search Monitoring XML data on the Web ǖ all 8 versions » B Nguyen, S Abiteboul , G Cobena, M Preda ǖ ACM SIGMOD Record, 2001 ǖ portal.acm.org ABSTRACT ¢¤£¦¥¨§ © £ ! #"$£&%'§(©$ ) #§ 0 1©$23§54 6879§ A@¤§(4B 1© ¥C§(%D 1©923 $§B¥CE$%'£ ©FG CH IP§( Q£SR9 Q£T¥ c £ 0V`U 6( Q2(£d@e65 Q£ "9§(E 0£gf9E$ )U) 34h Q§ %piqIPra $§B¥Ë ..