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Structured queries in XML retrieval
2005
Proceedings of the 14th ACM international conference on Information and knowledge management - CIKM '05
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Our experimental analysis compares a structure-ignorant with a structure-aware retrieval approach using the test-suite of the 2004 edition of the INEX XML retrieval evaluation initiative. ...
Third, the use of structure in queries functions as a precision enhancing device. ...
As to querying structure, XML query languages such as XPath have a definite semantics. ...
doi:10.1145/1099554.1099559
dblp:conf/cikm/KampsMRS05
fatcat:sjn6iy4e6ncxxo2gg5k52w3ume
Managing structured queries in probabilistic XML retrieval systems
2010
Information Processing & Management
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Focusing on the context of XML retrieval, in this paper we propose a general methodology for managing structured queries (involving both content and structure) within any given structured probabilistic ...
of XML Retrieval (INEX). ...
We have observed two types of approaches in the specialized bibliography for solving structured queries: those in which the retrieval of XML elements given a CAS query is integrated in the XML retrieval ...
doi:10.1016/j.ipm.2009.11.006
fatcat:kevg5i6j5vhldnnafi6u6qbulm
Why structural hints in queries do not help XML-retrieval
2006
Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '06
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For many years it has been commonly held that a user who adds structural "hints" to a query will improve precision in an element retrieval search. ...
We present the unexpected result that structural hints in queries do not improve precision. ...
If these structures are marked up as XML elements then a search engine that returns these structures is an element retrieval system. ...
doi:10.1145/1148170.1148330
dblp:conf/sigir/TrotmanL06a
fatcat:fo2ckwr57fdhrghvgur6wvmtcy
The Effect of Structured Queries and Selective Indexing on XML Retrieval
[chapter]
2006
Lecture Notes in Computer Science
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Third, we considered the automatic creation of structured queries using blind feedback. ...
Our first and main research question was to investigate the contribution of structural constraints to improved retrieval performance. ...
Language-Models for XML Retrieval A number of alternative language modeling approaches for XML retrieval have been used in INEX. Mihajlović et al. ...
doi:10.1007/978-3-540-34963-1_8
fatcat:cl66ici3fzgrbekytitepsmhve
Feedback-Driven Structural Query Expansion for Ranked Retrieval of XML Data
[chapter]
2006
Lecture Notes in Computer Science
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In XML retrieval, feedback engines usually generate an expanded query from the content of elements marked as relevant or nonrelevant. ...
This approach that is inspired by text-based IR completely ignores the semistructured nature of XML. This paper makes the important step from content-based to structural feedback. ...
Conclusion and Future Work This paper has made important steps from content-based to structural feedback in XML retrieval. ...
doi:10.1007/11687238_22
fatcat:2gfewyg3yfhxtkdr4i3dgj7mui
Refining Keyword Queries for XML Retrieval by Combining Content and Structure
[chapter]
2009
Lecture Notes in Computer Science
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In this work, we propose an automatic query refinement method to transform a keyword query into structured XML queries that capture the original information need and conform to the underlying XML data. ...
To assist its users, an XML retrieval system can have a keyword-based interface, relegating the task of combining textual and structural clues to the retrieval algorithm. ...
However, structural hints in the input query would pose a difficulty for CO retrieval. ...
doi:10.1007/978-3-642-00958-7_63
fatcat:ervewh3xhnbmzn6xaeqhhehs6e
Modelling Vague Content and Structure Querying in XML Retrieval with a Probabilistic Object-Relational Framework
[chapter]
2004
Lecture Notes in Computer Science
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Many XML retrieval applications require relevance-oriented ranking of retrieved elements in order to capture the vagueness inherent to the information retrieval process. ...
In this paper, we use a probabilistic object-relational framework to model representation and retrieval strategies that take into account vagueness at both content and structure level. ...
This shows the importance attached to vague structure querying for relevance-oriented XML retrieval. ...
doi:10.1007/978-3-540-25957-2_34
fatcat:4etmybrt4jdlvht5nksvdixwji
Querying XML using structures and keywords in timber
2003
Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval - SIGIR '03
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This demonstration will describe how Timber, a native XML database system, has been extended with the capability to answer XML-style structured queries (e.g., XQuery) with embedded IR-style keyword-based ...
With the original structured query processing engine and the IR extensions built into the system, Timber is well suited for efficiently and effectively processing queries with both structural and textual ...
Efficient structure join algorithms and access methods are implemented in the system to provide fast processing of XML-style structured queries. ...
doi:10.1145/860435.860554
dblp:conf/sigir/YuJR03
fatcat:efsdsd264vfl7jgujpattlv46m
Querying XML using structures and keywords in timber
2003
Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval - SIGIR '03
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This demonstration will describe how Timber, a native XML database system, has been extended with the capability to answer XML-style structured queries (e.g., XQuery) with embedded IR-style keyword-based ...
With the original structured query processing engine and the IR extensions built into the system, Timber is well suited for efficiently and effectively processing queries with both structural and textual ...
Efficient structure join algorithms and access methods are implemented in the system to provide fast processing of XML-style structured queries. ...
doi:10.1145/860551.860554
fatcat:zwswlk6i7vdvpc5pwtxagqnyou
The Effect of Structured Queries and Selective Indexing on XML Retrieval
[chapter]
Lecture Notes in Computer Science
Preserved Fulltext
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The file type is application/pdf.
Third, we considered the automatic creation of structured queries using blind feedback. ...
Our first and main research question was to investigate the contribution of structural constraints to improved retrieval performance. ...
Language-Models for XML Retrieval A number of alternative language modeling approaches for XML retrieval have been used in INEX. Mihajlović et al. ...
doi:10.1007/11766278_8
fatcat:oqxutzsrpvav5nvrg3jou25ipe
A CONTENT-BASED APPROACH TO RELEVANCE FEEDBACK IN XML-IR FOR CONTENT AND STRUCTURE QUERIES
english
2010
Proceedings of the International Conference on Knowledge Discovery and Information Retrieval
unpublished
english
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More formally, we are considering how to perform Relevance Feedback (RF) for CAS queries in XML Information Retrieval. ...
The use of structured documents following XML representation allows us to create content and structure (CAS) queries which are more specific for the user's needs. ...
queries), or using Content And Structure queries (CAS queries), which also take into account this internal organization giving structural hints about what XML elements to retrieve and where to look for ...
doi:10.5220/0003080104180427
fatcat:tfro56wfs5gqlaop66ocvfpfaa
XML Information Retrieval:An overview
[article]
2014
arXiv
pre-print
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These challenges can be considered the XML Information Retrieval challenges as XML has become a de facto standard over the Web. ...
The effectiveness of IR systems is thus unsolved in satisfying the most. This article attemptsan overview of earlier efforts and the gaps in XML IR. ...
The retrieval model of XML information retrieval system implements the enhanced function and the query processing engine of XML information retrieval system implements the structural constraint. ...
arXiv:1410.7654v1
fatcat:kxr2v2ezb5a4fppup5u5kzukzy
XML Information Retrieval
[chapter]
2011
Understanding Information Retrieval Systems
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In contrast to HTML, which is mainly layoutoriented, XML follows the fundamental concept of separating the logical structure of a document from its layout. ...
This article describes approaches developed to query, represent, and rank XML fragments. ...
Acknowledgments This article is based on two other articles on XML information retrieval co-written by the author, a book chapter on "Structured Text Retrieval" to appear in the second edition of [8] ...
doi:10.1201/b11499-29
fatcat:4y2gxbhponcxrbw633dmk5gx5e
XML Information Retrieval
[chapter]
2009
Encyclopedia of Library and Information Sciences, Third Edition
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In contrast to HTML, which is mainly layoutoriented, XML follows the fundamental concept of separating the logical structure of a document from its layout. ...
This article describes approaches developed to query, represent, and rank XML fragments. ...
Acknowledgments This article is based on two other articles on XML information retrieval co-written by the author, a book chapter on "Structured Text Retrieval" to appear in the second edition of [8] ...
doi:10.1081/e-elis3-120043691
fatcat:kjsqvk2s6bgtpjrca4aef5u2mi
Retrieving information chunks from a repository of documents' SIT Collected from heterogeneous sources
2015
INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY
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XML documents are generated from heterogeneous resources. They may share the same data but in different Schema, which make it difficult to retrieve information from them. ...
In this paper we propose a new technique that first; minimizes the size of the XML documents by reducing the redundancy of the structure part and generate the repository for these documents, and second ...
XML RETRIEVAL XML documents are semi-structured and the retrieval techniques from such documents are more precise than retrieving information from structured documents [1] . ...
doi:10.24297/ijct.v14i3.1999
fatcat:ordgtnrqezd3zewyrasqwe7hri
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