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Extract web data from its original sources ... Unnest. Debye: data storage manager. Store Web data in relational databases. Mappings ...
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Ex: ZigZag algorithm. Unnest Algorithm. Takes as input a path ... Cost Model of ZigZag Join Algorithm ... ZigZag Join operator takes posting lists as input ...
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... relation includes a branch (Kenmore) with numloans = 0 and ... Is Kenmore in the result of the nested query? Is kenmore in the result of the unnested query? ...
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Set Containment Joins: The Good, The Bad and The Ugly Karthikeyan Ramasamy Jointly With Jignesh Patel, Jeffrey F. Naughton and Raghav Kaushik ...
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R signature partition based on randomly chosen bit that is set. ... PSJ - Effect of Signature Size. Relation Cardinality of 20000 and Set Cardinality of 20 ...
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The Debye Environment for Web Data Management Julia Erdman SE521
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Ontology Generation, Information Harvesting and Semantic Annotation For Machine-Generated Web Pages Cui Tao PhD Dissertation Defense * * Future Work Sibling pages in ...
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A Query Algebra for Fragmented XML Stream Data Sujoe Bose Leonidas Fegaras David Levine Vamsi Chaluvadi University of Texas at Arlington
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1 unit error detected in 1 sheet. 19 unit errors detected in 7 sheets. Errors found by UCheck: ... (auto-resizing of array cells?) Why not ranges of cells as arrays? ...
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grouping, update capabilities. - 4 - Leonidas Fegaras. New Applications ... group by d.dno. having 20 count(e.ssn); - 27 - Leonidas Fegaras. A Need for an Algebra ...
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Title: Sistemi informativi (nuovo ordinamento, laurea specialistica) 2003-2004 Author: Prof. Paolo Atzeni Last modified by: Paolo Atzeni Created Date
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Chapter 9: Object-Relational Databases Nested Relations Complex Types and Object Orientation Querying with Complex Types Creation of Complex Values and Objects
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We can select tuples which attribute value resembles some string. We can ... BORG. James. WALLACE. Jennifer. Another Example of ... BORG. Ahmad. JABBAR. Alicia ...
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WoK: A Web of Knowledge David W. Embley Brigham Young University Provo, Utah, USA
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20606-2 Distribution Schema. 20606-3 Encompassing ... Part 11: SQL/Schemata. Part 13: SQL/JRT. Part 14: SQL/XML. S J Cannan. 5. Part 1: SQL/Framework ...
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WoK: A Web of Knowledge David W. Embley Brigham Young University Provo, Utah, USA
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NIAGARA. XML Query Optimization. XML Algebra. Data Model. Operator. Query Plan. Equivalent Rules ... account_number 555 777-3158 573 234 3 ... NIAGARA ...
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Leverage existing libraries and components. Seamless debugging and deployment ... Proprietary data. Multityping. Inheritance. Audio. Videos. Images. Games ...
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HTML Table Interpretation by Sibling Page Comparison in the Molecular ... have at least two helices, and participate in glycolysis' GenBank, PDB, KEGG ' ...
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Complex Group-By Queries for XML C. Gokhale+, N. Gupta#, P. Kumar+, L.V.S. Lakshmanan*, R. Ng*, and B.A. Prakash+ * University of British Columbia, Vancouver
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EXPLAIN the output of an optimizer. Overview of internals. Dynamic programming ... The output is displayed by the EXPLAIN statement ...
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Array and Multiset Types in SQL. Object Identity and ... Remove awkwardness of flat-books by assuming that the following multivalued dependencies hold: ...
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Databases with extensions for transferring data between XML documents and themselves ... As a DOM tree, making a walk through all elements in document order easy ...
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Laura Haas. Ron Fagin, Mauricio Hern ndez. Howard Ho, Phokion Kolaitis, Felix Naumann. Lucian Popa, Ling-Ling Yan. 7/3/09. R.J. Miller ...
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Data Extraction Group Department of Computer Science Brigham Young ... Embed within a community ontology. Alternatively, augment community knowledge. fleck ...
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Self Maintenance of materialized XML views with non ... Delta with hunks : Insert(pos; Xtuple) delete(pos;Xtuple) Replace(pos; Xtupleold, Xtuplenew) ...
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... order to transform XML document to Monet Model, we need to get the ... Comparing Monet XML against SYU/Postgres ... Monet transform yields smaller data volumes ...
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William H. Jefferys Department of Astronomy University of Texas at Austin and Department of Statistics University of Vermont
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Also known as binary large objects (BLOBs) Structured. structure of object is known to database ... BLOB (binary large objects) CLOB (character large object) ...
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Query Optimization Goal: Imperative query execution plan: Declarative SQL query SELECT S.sname FROM Reserves R, Sailors S WHERE R.sid=S.sid AND R.bid=100 AND S.rating5
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Selectivity. 2400 homes. Performance Evaluation: Construction Queries 3 beds and pool ... Selectivity. 328 homes x 122 schools. Summary & Conclusions ...
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WMS: Using LPNs and the ... This presentation will explain how Oracle WMS uses the desktop interface packing tool, which allows a user to perform packing, splitting, ...
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Query Optimization Goal: Imperative query execution plan: Declarative SQL query buyer SELECT S.buyer FROM Purchase P, Person Q WHERE P.buyer=Q.name AND
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book title TCP/IP ... /title /book book price 65.95 /price ... title TCP/IP Illustrated /title title Data on the Web /title $col3 ...
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Concepts : introduction des concepts de base. Utilisation : exemples d'application ... Pouvoir d duire des informations de la base. Inf rer des donn es non ...
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Array and Multiset Types in SQL. Object Identity and ... Remove awkwardness of flat-books by assuming that the following multivalued dependencies hold: ...
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Design relations so there can be an equijoin with a PK and a FK or ... What is the most importance concept in relational schema design? Functional Dependencies ...
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Lots of data sits in large text files. ad hoc data formats ' ... booktitle WWW Posters /booktitle ee http://www10.org/cdrom/posters/1112.pdf /ee ...
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Complex Group-By Queries for XML ... Group-by elements involve combination of forward and backward axes ... values (eff group-by labels) Counters are updated ...
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In all these examples, we are comparing models of differing dimensionality, i.e. ... It is useful to compare results of several methods ...
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Title: The Relational Model Last modified by: HTWK Leipzig Document presentation format: Overheadfolien Other titles: Times New Roman Arial Wingdings Book Antiqua ...
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Query Optimizers transform query in query plans composed of low level operations ... Side effect introduced through cursors. 20. G. Gardarin. The OFL Language ...
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Implicit Naming. E.g. XPath notations. Reduce complexity of many internal variables. ... Implicit: SQL operators. Navigate. Explicit ( 'name'): Variable binding: ...
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Third Normal Form (3NF) Boyce-Codd Normal Form (BCNF) Fourth Normal Form (4NF) ... Third normal form ... Third Normal Form & BCNF ...
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E.g., additions, subtractions, multiplications, comparisons, ...etc. ... In the case below, consider the number of multiplications ...
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XML Data Management
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Need some way to convert relational data to XML ... Convert Relational. Data to XML. Supplier provides an XML View of its Data. XQuery. XQuery Result ...
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computer-aided design, computer-aided software engineering ... Object-oriented model many-to-many relations are part of the object definition ...
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Memory management, Exceptions, From kernel to practical language (VRH 2.5 ... catch is found, then stop execution with the error message 'Uncaught exception' ...
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Princip hn zdovitosti (nested subsets or nestedness) druhov ho slo en : v pocet ... proposed by Darlington (1957): Zoogeography, ...colonization of islands only by ...
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XMLResult = ' customer id=' custId ' name ' custName ' /name accounts ... createElement(T, AL, SL) Element. createAttList(A1, ..., An) List ...
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Contextual design: designers get immersed in the workplace. ... apply in a top-down fashion, starting from high-level output and processes. Teuhola AdvDB-1 ...
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... Elmwood Ave Union Union Co N J Graduated from State Normal School Trenton N ... Ave Union N J Graduated from Trenton State Normal School in 1905 having ...
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Peter Van Roy. UCL. C. Varela; Adapted w/permission from S. Haridi and P. Van Roy. 2 ... 10. Execution examples. local Max C in. proc {Max X Y Z} ...
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When sources are updated, materialized view may becomes ... Expressiveness of view definition language. Complex operations. tagging, unnesting, aggregation, ...
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attribute string name; attribute string address; attribute date dob; ... from Persons x. where x.name = 'Pat'; Return literal of type set struct ...
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