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XRANK: Ranked Keyword Search over XML Documents PowerPoint PPT Presentation

XRANK: Ranked Keyword Search over XML Documents - Stack to store current Dewey-ID, ranks, position List, longest common prefixes : deweyStack ... Compute a list of results for each of query keywords and ...

Stack to store current Dewey-ID, ranks, position List, longest common prefixes : deweyStack ... Compute a list of results for each of query keywords and ...

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XRANK: Ranked Keyword Search Over XML Documents - XML documents in Internet and Corporate Intranets ... Can query a mix of XML and HTML documents (Internet, corporate Intranets) ...

XML documents in Internet and Corporate Intranets ... Can query a mix of XML and HTML documents (Internet, corporate Intranets) ...

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Keyword Search on Structured and Semi-Structured Data PowerPoint PPT Presentation

Keyword Search on Structured and Semi-Structured Data - XRANK: Ranked keyword search over XML documents. ... Tutorial * * Databases / XML data ... dataflow Result Definition on XML & Trees /1 In an XML tree, ...

XRANK: Ranked keyword search over XML documents. ... Tutorial * * Databases / XML data ... dataflow Result Definition on XML & Trees /1 In an XML tree, ...

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EASE: An Effective 3-in-1 Keyword Search Method for Unstructured, Semi-structured and Structured Data PowerPoint PPT Presentation

EASE: An Effective 3-in-1 Keyword Search Method for Unstructured, Semi-structured and Structured Data - Title: EASE: An Effective 3-in-1 Keyword Search Method for Unstructured, Semi-structured and Structured Data Author: onina Last modified by: onina

Title: EASE: An Effective 3-in-1 Keyword Search Method for Unstructured, Semi-structured and Structured Data Author: onina Last modified by: onina

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Gkay Burak AKKUS Ece AKSU PowerPoint PPT Presentation

Gkay Burak AKKUS Ece AKSU - Dewey encoding of Element IDs jointly captures ancestor and descendant information. ... ID of an ancestor is a prefix of the ID of a descendant. ...

Dewey encoding of Element IDs jointly captures ancestor and descendant information. ... ID of an ancestor is a prefix of the ID of a descendant. ...

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Bidirectional Expansion for Keyword Search on Graph Databases PowerPoint PPT Presentation

Bidirectional Expansion for Keyword Search on Graph Databases - Need to find a (closely) connected set of nodes that together match all given keywords ... Propagate values to ancestors if necessary ...

Need to find a (closely) connected set of nodes that together match all given keywords ... Propagate values to ancestors if necessary ...

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Flexible and Efficient XML Search with Complex Full-Text Predicates PowerPoint PPT Presentation

Flexible and Efficient XML Search with Complex Full-Text Predicates - Flexible and Efficient XML Search with Complex Full-Text Predicates Sihem Amer-Yahia - AT&T Labs Research Yahoo! Research Emiran Curtmola - University of ...

Flexible and Efficient XML Search with Complex Full-Text Predicates Sihem Amer-Yahia - AT&T Labs Research Yahoo! Research Emiran Curtmola - University of ...

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Ranked Information Retrieval on XML Data PowerPoint PPT Presentation

Ranked Information Retrieval on XML Data - Bernadette Blum, Christian Nicolaus, Markus Uhl. Ranked Information Retrieval on XML Data ... existing query languages (e.g. XML-QL, Quilt, XQL, ... XQuery) ...

Bernadette Blum, Christian Nicolaus, Markus Uhl. Ranked Information Retrieval on XML Data ... existing query languages (e.g. XML-QL, Quilt, XQL, ... XQuery) ...

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Flexible Querying of XML Documents PowerPoint PPT Presentation

Flexible Querying of XML Documents - Flexible Querying of XML Documents Krishnaprasad Thirunarayan and Trivikram Immaneni Department of Computer Science and Engineering Wright State University

Flexible Querying of XML Documents Krishnaprasad Thirunarayan and Trivikram Immaneni Department of Computer Science and Engineering Wright State University

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Mayssam Sayyadian, AnHai Doan PowerPoint PPT Presentation

Mayssam Sayyadian, AnHai Doan - Efficient Keyword Search across Heterogeneous Relational Databases Mayssam Sayyadian, AnHai Doan University of Wisconsin - Madison Hieu LeKhac University of Illinois ...

Efficient Keyword Search across Heterogeneous Relational Databases Mayssam Sayyadian, AnHai Doan University of Wisconsin - Madison Hieu LeKhac University of Illinois ...

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The Role of Document Structure in Querying, Scoring and Evaluating XML Full-Text Search PowerPoint PPT Presentation

The Role of Document Structure in Querying, Scoring and Evaluating XML Full-Text Search - The Role of Document Structure in Querying, Scoring and Evaluating XML Full-Text Search Sihem Amer-Yahia AT&T Labs Research - USA Database Department

The Role of Document Structure in Querying, Scoring and Evaluating XML Full-Text Search Sihem Amer-Yahia AT&T Labs Research - USA Database Department

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Text Search in XML - Text Search in XML

Text Search in XML

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Indexing%20and%20Searching%20XML%20Documents%20based%20on%20Content%20and%20Structure%20Synopses PowerPoint PPT Presentation

Indexing%20and%20Searching%20XML%20Documents%20based%20on%20Content%20and%20Structure%20Synopses - Weimin He, Leonidas Fegaras, David Levine. University of Texas at Arlington ... prolog[genre ~ 'Travel'] [keywords/keyword ~ 'bold' or 'stealth' ]//author/name. Q19 ...

Weimin He, Leonidas Fegaras, David Levine. University of Texas at Arlington ... prolog[genre ~ 'Travel'] [keywords/keyword ~ 'bold' or 'stealth' ]//author/name. Q19 ...

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iTrails: Pay-as-you-go Information Integration in Dataspaces PowerPoint PPT Presentation

iTrails: Pay-as-you-go Information Integration in Dataspaces - ... you should also query for the TrainCompany s website with origin at ETH Uni and destination ... DB Server Temperatures city celsius date Bern 24-Sep 24 ...

... you should also query for the TrainCompany s website with origin at ETH Uni and destination ... DB Server Temperatures city celsius date Bern 24-Sep 24 ...

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Type-enabled Keyword Searches with Uncertain Schema PowerPoint PPT Presentation

Type-enabled Keyword Searches with Uncertain Schema - 'person like Paris' [Hilton], 'researchers like Michael Jordan' (which one? ... Gustave, (Eiffel), Paris. director; Swades movie. Ashutosh Gowariker, Ashutosh ...

'person like Paris' [Hilton], 'researchers like Michael Jordan' (which one? ... Gustave, (Eiffel), Paris. director; Swades movie. Ashutosh Gowariker, Ashutosh ...

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XML Full-Text Search: Challenges and Opportunities PowerPoint PPT Presentation

XML Full-Text Search: Challenges and Opportunities - 2 September 2005. VLDB Tutorial on XML Full-Text Search. XML Full-Text Search: ... hdr2 obi volno Vol. 16 /volno , issno No. 2 /issno /obi pdt mo FEBRUARY ...

2 September 2005. VLDB Tutorial on XML Full-Text Search. XML Full-Text Search: ... hdr2 obi volno Vol. 16 /volno , issno No. 2 /issno /obi pdt mo FEBRUARY ...

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Database Research for the Current Millennium PowerPoint PPT Presentation

Database Research for the Current Millennium - Will 'dumb down' implementations based on plentiful hardware more ... Find all 'bright red ford mustangs' that cost less than 20% of the average price ...

Will 'dumb down' implementations based on plentiful hardware more ... Find all 'bright red ford mustangs' that cost less than 20% of the average price ...

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An Efficient and Versatile Query Engine for TopX Search PowerPoint PPT Presentation

An Efficient and Versatile Query Engine for TopX Search - E.g., term/element frequencies, probabilistic models (Okapi BM25), etc. ... Full-content scores cast into an Okapi-BM25 probabilistic model with ...

E.g., term/element frequencies, probabilistic models (Okapi BM25), etc. ... Full-content scores cast into an Okapi-BM25 probabilistic model with ...

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Flexible Querying of XML Documents - ... APIs in ... SAXParser APIs. 23. Mapping to Lucene. XML documents to Lucene ... Implemented using Lucene 2.0 APIs. Indexing: Time and Space Intensive. But ...

... APIs in ... SAXParser APIs. 23. Mapping to Lucene. XML documents to Lucene ... Implemented using Lucene 2.0 APIs. Indexing: Time and Space Intensive. But ...

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An Efficient and Versatile Query Engine for TopX Search - An Efficient and Versatile Query Engine for TopX Search. 2 ... In-memory structural joins (nested loops, staircase, or holistic twig joins) ...

An Efficient and Versatile Query Engine for TopX Search. 2 ... In-memory structural joins (nested loops, staircase, or holistic twig joins) ...

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Information Retrieval and Databases: Synergies and Syntheses PowerPoint PPT Presentation

Information Retrieval and Databases: Synergies and Syntheses - Information Retrieval and Databases: Synergies and Syntheses. IDM ... 10000 foot view of Data Management. Structured. Unstructured. Complex. and. Structured ...

Information Retrieval and Databases: Synergies and Syntheses. IDM ... 10000 foot view of Data Management. Structured. Unstructured. Complex. and. Structured ...

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Towards Unifying Database Systems and Information Retrieval Systems PowerPoint PPT Presentation

Towards Unifying Database Systems and Information Retrieval Systems - Towards Unifying Database Systems and Information Retrieval Systems ... Implemented in C on top of BerkeleyDB. 2.7GHz 1GB processor. Varying # Updates ...

Towards Unifying Database Systems and Information Retrieval Systems ... Implemented in C on top of BerkeleyDB. 2.7GHz 1GB processor. Varying # Updates ...

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Vague Content and Structure VCAS Retrieval for DocumentCentric XML Collections PowerPoint PPT Presentation

Vague Content and Structure VCAS Retrieval for DocumentCentric XML Collections - UCLA Computer Science Department {sliu, wwc, ruzan}@cs.ucla.edu. June 17, 2005. 2. 2 ... Each article consists of 1500 XML nodes on average ...

UCLA Computer Science Department {sliu, wwc, ruzan}@cs.ucla.edu. June 17, 2005. 2. 2 ... Each article consists of 1500 XML nodes on average ...

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Keyword Search on Graph-Structured Data PowerPoint PPT Presentation

Keyword Search on Graph-Structured Data - Title: Keyword Searching and Browsing in databases using BANKS Author: S. Sudarshan Last modified by: S. Sudarshan Created Date: 9/14/2001 9:28:43 AM

Title: Keyword Searching and Browsing in databases using BANKS Author: S. Sudarshan Last modified by: S. Sudarshan Created Date: 9/14/2001 9:28:43 AM

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XML Search and XQuery Full-Text PowerPoint PPT Presentation

XML Search and XQuery Full-Text - XML is able to represent a mix of structured and text information: XML applications: digital libraries, content management. ... XSEarch, XIRQL, JuruXML, XXL, ELIXIR ...

XML is able to represent a mix of structured and text information: XML applications: digital libraries, content management. ... XSEarch, XIRQL, JuruXML, XXL, ELIXIR ...

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Explaining - FLORIDA INTERNATIONAL UNIVERSITY. Miami. Louiqa Raschid. UNIVERSITY OF MARYLAND, COLLEGE PARK ... Ramakrishna Varadarajan, Florida International University (FIU) ...

FLORIDA INTERNATIONAL UNIVERSITY. Miami. Louiqa Raschid. UNIVERSITY OF MARYLAND, COLLEGE PARK ... Ramakrishna Varadarajan, Florida International University (FIU) ...

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Outline - Ralf Schenkel. joint work with Gerhard Weikum, Jens Graupmann, ... Web forms & tables, Wikipedia. relationships quantified by. statistical correlation measures ...

Ralf Schenkel. joint work with Gerhard Weikum, Jens Graupmann, ... Web forms & tables, Wikipedia. relationships quantified by. statistical correlation measures ...

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Overview of XML Data Management Research at Cornell PowerPoint PPT Presentation

Overview of XML Data Management Research at Cornell - As witnessed by popularity of keyword search over the Internet ... Ranked Keyword Search over Structured and Unstructured Data ... E.g., Used car marketplace ...

As witnessed by popularity of keyword search over the Internet ... Ranked Keyword Search over Structured and Unstructured Data ... E.g., Used car marketplace ...

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Effective XML Keyword Search with Relevance Oriented Ranking PowerPoint PPT Presentation

Effective XML Keyword Search with Relevance Oriented Ranking - Inspired by IR style keyword search on the web ... node(C2, C4), name node(C3), or street node of customer(C1), or title node of book(B1) ...

Inspired by IR style keyword search on the web ... node(C2, C4), name node(C3), or street node of customer(C1), or title node of book(B1) ...

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Databases and Information Retrieval: Rethinking the Great Divide PowerPoint PPT Presentation

Databases and Information Retrieval: Rethinking the Great Divide - Databases and Information Retrieval: Rethinking the Great Divide ... Option 1: Tie together existing DB and IR systems. Example: Approaches based on SQL/MM ...

Databases and Information Retrieval: Rethinking the Great Divide ... Option 1: Tie together existing DB and IR systems. Example: Approaches based on SQL/MM ...

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XML FullText Search: Challenges and Opportunities - XML applications: digital libraries, content management. ... VLDB Tutorial on XML Full-Text Search. XML in Library of Congress ...

XML applications: digital libraries, content management. ... VLDB Tutorial on XML Full-Text Search. XML in Library of Congress ...

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Text Search over XML Documents PowerPoint PPT Presentation

Text Search over XML Documents - Compute Longest Common Prefix of Dewey IDs during the merge ... Short list sorted by ElemRank - saves space! Can reuse full inverted list as leaf of B -tree ...

Compute Longest Common Prefix of Dewey IDs during the merge ... Short list sorted by ElemRank - saves space! Can reuse full inverted list as leaf of B -tree ...

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A System for QuerySpecific Document Summarization PowerPoint PPT Presentation

A System for QuerySpecific Document Summarization - Building a document graph. Definition of summary. Rank Summaries ... Widely used Okapi weighting. Query Dependent. NScore (v) ...

Building a document graph. Definition of summary. Rank Summaries ... Widely used Okapi weighting. Query Dependent. NScore (v) ...

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iTrails: Payasyougo Information Integration in Dataspaces - Works for unstructured documents, XML, and relations ... Trail for Thesauri: 'When I query for car, you should also query for auto' ... Engine. misses ...

Works for unstructured documents, XML, and relations ... Trail for Thesauri: 'When I query for car, you should also query for auto' ... Engine. misses ...

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XQuery Processing with Relevance Ranking PowerPoint PPT Presentation

XQuery Processing with Relevance Ranking - where $b/abstract ~ ('SAX' and not 'DOM') order by score($b) descending ... a pull-based, event-oriented processing of local XML files (instead of DOM-based) ...

where $b/abstract ~ ('SAX' and not 'DOM') order by score($b) descending ... a pull-based, event-oriented processing of local XML files (instead of DOM-based) ...

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Keyword Querying on SemiStructured Data PowerPoint PPT Presentation

Keyword Querying on SemiStructured Data - A significant fraction of data is resident in relational databases or in semi ... Similar to NRA algorithm (Fagin et al., PODS'01) Experiments. Datasets ...

A significant fraction of data is resident in relational databases or in semi ... Similar to NRA algorithm (Fagin et al., PODS'01) Experiments. Datasets ...

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XSEarch: A Semantic Search Engine for XML PowerPoint PPT Presentation

XSEarch: A Semantic Search Engine for XML - A search term may have a plus sign prepended, in which case it is a required term. ... tag author, in the fragment, increases the rank of this fragment. The ...

A search term may have a plus sign prepended, in which case it is a required term. ... tag author, in the fragment, increases the rank of this fragment. The ...

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StructuredValue Ranking in UpdateIntensive Relational Databases PowerPoint PPT Presentation

StructuredValue Ranking in UpdateIntensive Relational Databases - they stand on the golden gate bridge and ... Description. Mid. 20. American Thrift ... golden gate bridge with statue of liberty ... SELECT * FROM Movies M ...

they stand on the golden gate bridge and ... Description. Mid. 20. American Thrift ... golden gate bridge with statue of liberty ... SELECT * FROM Movies M ...

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Current Research Directions PowerPoint PPT Presentation

Current Research Directions - Cars R Us. Order Fulfillment. Application. Purchasing. Application ... Do we need to build a specialized XML database? Or can we leverage relational technology? ...

Cars R Us. Order Fulfillment. Application. Purchasing. Application ... Do we need to build a specialized XML database? Or can we leverage relational technology? ...

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SphereSearch PowerPoint PPT Presentation

SphereSearch - The Pelican Hotel in Salvador, operated by ... The company Pelican Hotel /company in location Salvador /location , operated by ...

The Pelican Hotel in Salvador, operated by ... The company Pelican Hotel /company in location Salvador /location , operated by ...

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Semantic Information Access PowerPoint PPT Presentation

Semantic Information Access - Shortcomings of common-place Web and search technology ... Magpie: plug-in that adds an ontology-based semantic layer onto the web pages as ...

Shortcomings of common-place Web and search technology ... Magpie: plug-in that adds an ontology-based semantic layer onto the web pages as ...

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Xrank PowerPoint PPT Presentations