The typical approach to evaluate a systems retrieval ef. During the focus project5, a variety of document collections were considered with respect to their suitability as a testbed for xml retrieval, but none of them ful. Thus, our main question in this paper is the following. Information retrieval focuses on organizing and storing data and retrieving useful information from it. Data centric 2011 tweet contextualization 20112014 snippet retrieval 201120 relevance feedback 20112012 data. Advances in xml information retrieval and evaluation, 4th. Documents today contain a mixture of textual, multimedia, and metadata information. As a result, a query transformation framework is proposed. Like in database querying, structure is of importance and a simple list of keywords may not be sufficient to define an xml query. Users perspectives on the usefulness of structure for xml. Proceedings of the inex 2005 workshop on element retrieval. The initiative for the evaluation of xml retrieval inex was set up at the beginning of 2002 with the aim to establish an infrastructure and to provide means, in the form of a large xml test collection and appropriate scoring methods, for the evaluation of contentoriented retrieval of xml documents.
Xml information retrieval xmlir systems aim to better fulfil users information needs than traditional ir systems by returning results lower than the document level. Third international workshop of the initiative for the evaluation of xml retrieval inex 2004, lncs 3493 pehcevski et al. With the advent of the web, the xml has became a preferred standard for storing documents. Inex 2009 thorough task, the equivalent inex 2010 efficiency task, and task evaluation. The initiative for the evaluation of xml retrieval inex is an international campaign.
The initiative for the evaluation of xml retrieval inex has, since 2002, been working towards the goal of establishing an infrastructure, in the form of a large xml test collection and appropriate scoring methods, for the evaluation of contentoriented xml retrieval systems. Investigating the exhaustivity dimension in content. Focused retrieval and evaluation 8th international workshop. Like in database querying, structure is of importance and a simple list of keywords may not be sufficient to.
The aim of the inex 2010 workshop was to bring together researchers in the field of xml ir who participated in the inex 2010 campaign. In initiative for the evaluation of xml retrieval inex. This result can be of independent interest for xml search engines, as a typical xml tree has extremely small depth cf. International workshop annotation this book constitutes the.
Overview of the initiative for the evaluation of xml. The initative for the evaluation of xml retrieval inex1, for example, was established in april, 2002 and has prompted xml researchers worldwide to promote the evaluation of effective xml retrieval. Hybrid xml retrieval revisited, advances in xml information retrieval. Therefore, queries over xml documents dynamically restrict the context of interest to arbitrary combinations of xml element types. Using a hybrid logistic regression and boolean model for xml retrieval ray r. Geva, shlomo 2005 gpx gardens point xml information retrieval at inex 2004. In proceedings of the 12th internal conference on software and. Attribute grammarbased interactive system to retrieve. For example, a search on xml or information retrieval may result in some documents where both the keywords appear in potentially di. One way to format this mixed content is according to the extensible markup language xml. Traditionally, these results have been whole documents, but since xml documents separate content and structure xmlir systems are able to return highly specific information to users, lower than the document level.
Information on information retrieval ir books, courses, conferences and other resources. Xirql an xml query language based on information retrieval concepts incorporates concepts like passage retrieval, precision search, precision combination plain text search, weighting, relevanceoriented search, data types and vague predicate, structural relativism. Examples of information needs include countries where one can pay with the euro or impressionist art museums in the netherlands. Experiments to evaluate the proposed techniques and use of structural hints will be performed on a distributed version of the inex wikipedia collection. You need this tool to evaluate your runs 2008 assessments v2. The initiative for the evaluation of xml retrieval inex is an international campaign involving more than fifty organizations worldwide. The term structured retrieval is rarely used for database querying and it always refers to xml retrieval in this book. You need this tool to convert your runs from inex 2008 xml into the fol format. Inex a broadly accepted data set for xml database processing. Consens, i have worked with several of the existing code bases. Return document components of varying granularitye. Humanpowered geoscience requires that our staff of geologists, geophysicists, petrophysicists, engineers, and management have the right tools for the job.
They are, in a sense, the traditional topics used in information retrieval test. Xml retrieval, or xml information retrieval, is the contentbased retrieval of documents. In 26th european conference on information retrieval research. Search search microsoft research cancel advances in xml information retrieval and evaluation, 4th international workshop of the initiative for the evaluation of xml retrieval, inex 2005, dagstuhl castle, germany, november 2830, 2005, revised selected papers. Focused retrieval of content and structure springerlink. Xml information retrieval school of computing science. The interactive construction of queries is based on the manipulation of intermediate results during.
Exploiting xml structure to improve information retrieval. From the point of information retrieval ir, highly structured xml documents are attractive because the mark up makes it possible to identify separate parts of the documents easily rather than to view them as a uniform bag of words. Co topics are regular keyword queries as in unstructured information retrieval. Topx supports a probabilisticir scoring model for fulltext content conditions and tagterm combinations, path conditions for all xpath axes as exact or relaxable constraints, and ontologybased relaxation of terms and tag names as similarity conditions for ranked. Books on information retrieval general introduction to information retrieval. Xml ir approaches exploit the logical structure of documents for their querying, retrieval and presentation to the user. As the number of xml retrieval systems increases, so does the need to evaluate their e. For example, by examining about 200,000 xml documents on.
International journal of software engineering and knowledge engineering. Xml is being adopted as a common storage format in scientific data repositories, digital libraries, and on the world wide web. Ad hoc track tools inex eval all download everything you need to assess against inex 2010 download everything you need to assess against inex 2009 download everything you need to assess against inex 2008 v2. Focused retrieval of content and structure, 10th international workshop of the initiative for the evaluation of xml retrieval, inex 2011, saarbrucken, germany, december 1214, 2011, revised selected papers. At inex 2002 8 and 2003 9, a broad spectrum of techniques was used to exploit noncontent aspects of xml documents in addressing the xml element retrieval task.
The initiative for evaluation of xml retrieval inex started the xml entity ranking track inexxer to create a. Gpx gardens point xml information retrieval at inex 2004. The paper focuses on the adhoc retrieval track of inex. The simplest evaluation measures for xml information retrieval that. The initiative for the evaluation of xml retrieval inex1, established in 2002, is providing an infrastructure and methodology to evaluate these xml retrieval systems. You need this file to assess inex topics 544677 v1. The hyrex hypermedia retrieval engine for xml server. Problem in contentoriented xml retrieval evaluation. This paper investigates the impact of three approaches to xml retrieval. Focused retrieval and evaluation 8th international. In order to use xmlir systems users must encapsulate their structural and content information needs in a structured query. Snippet retrieval 201120 relevance feedback 20112012 data. Applying the divergence from randomness approach for contentonly search in xml documents.
Many open issues appear when considering relevance feedback rf in xml documents. Information retrieval resources stanford nlp group. Topx is a search engine for ranked retrieval of xml and plaintext data, developed at the maxplanck institute for informatics. The initiative for the evaluation of xml retrieval inex was founded in 2002 and provides a platform for evaluating such algorithms. Initiative for the evaluation of xml retrieval inex. Inexs maintains that an integrated approach to analysis of client data and projects is the best way to deliver value for our clients. Improving results for the inex 2009 thorough and 2010. Jovan pehcevski technology consultant dell emc linkedin. Advances in xml information retrieval, inex 2004 workshop proceedings, lncs 3943, pp 410423, 2005. They are mainly related to the form of xml documents, which mix content and structure information and to the new. One is called trex which was used in the initiative for the evaluation of xml retrieval.
In proceedings of the inex 2005 workshop on element retrieval methodology. During the past year, participating organizations contributed to the building of largescale xml test collections by creating topics, performing retrieval runs and providing relevance assessments. The representation of documents in xml provides an opportunity for information retrieval systems to take advantage of document structure, returning individual document components when appropriate, rather than complete documents in all circumstances. An extended markup language xml vocabulary is proposed for improving retrieval rates, this kind of proposal coming from research results raises some cultural problems to be revised and considered for implementation in the mexican libraries community. The initiative for the evaluation of xml retrieval inex. Xml markup and information retrieval in magazine articles. Pdf evaluating xml retrieval effectiveness at inex researchgate. In this article, we show that the evaluation methods developed for standard retrieval must be modified in order to deal with the. The premier venue for research on xml retrieval is the inex initiative for the evaluation of xml retrieval program, a collaborative effort that has produced. With xml information retrieval, like in traditional ir, the users information need is loosely defined, linguistic variations are frequent, and answers are a ranked list of relevant elements. As such, there is a need for information retrieval systems that can efficiently and effectively store, search and retrieve information from xml document collections.
Lecture notes in computer science, 3493, article number. The main objective in xml retrieval is to select the relevant elements of xml document instead of the whole document. The premier venue for research on xml retrieval is the inex initiative for the evaluation of xml retrieval program, a collaborative effort that has produced reference collections, sets of queries, and relevance judgments. Currently, a first prototype for p2p information retrieval of xmldocuments called spirix is being implemented. Topic field selection and smoothing for xml retrieval. A system to interactively access extensible markup language documents aiming at information retrieval ir is described. A query transformation framework for automated structured. Overview of the inex 2007 entity ranking track microsoft. Instead of retrieving whole documents, document components that are exhaustive to the information need while at the same time being as specific as possible should be retrieved.
Focused retrieval and evaluation book subtitle 8th international workshop of the initiative for the evaluation of xml retrieval, inex 2009, brisbane, australia, december 79, 2009, revised and selected papers editors. The widespread use of the extensible markup language xml on the web and in digital libraries has led to a drastic increase in the number of xml information retrieval ir systems being developed. Inex data set can be discussed as a hot candidate for such purposes, al though the inex initiative focuses itself rather to information retrieval research than to xml query languages aspects. Retrieval inex 32, a yearly evaluation campaign that provides a forum for the evaluation of approaches specifically developed for xml information retrieval. Xml retrieval, or xml information retrieval, is the contentbased retrieval of documents structured with xml extensible markup language. Information retrieval resources information on information retrieval ir books, courses, conferences and other resources. International workshop this book constitutes the thoroughly. The initiative for evaluation of xml retrieval inex aims at building such a testbed for xml documents.
Introduction to the inex 2005 workshop on element retrieval methodology 1 andrew trotman1, mounia lalmas2 1university of otago, 2queen mary university of london range results in xml retrieval 4 charles clarke university of waterloo the simplest evaluation measures for xml information retrieval that could possibly work 6. The initiative for the evaluation of xml retrieval inex was. The inex 2002 collection consisted of about 12,000 articles from ieee journals. This approach permits the varied disciplines and long experience of our staff. This book constitutes the thoroughly refereed postworkshop proceedings of the 10th international workshop of the initiative for the evaluation of xml retrieval, inex 2011, held in saarbrucken, germany, in december 2011. Ktree a height balanced tree structured vector quantizer. Methodstechniques in which information retrieval techniques are employed include. The 2009 and 2010 ad hoc tasks are also briefly covered. Currently, as part of my research assistanceship supervised by dr. You need this file to map xml elements to fileoffsetlength fol triplets using sub2fol. Major advances in xml retrieval were seen from 2002 as a result of inex, the initiative for evaluation of xml retrieval. When searching for relevant information in xml documents, users want to exploit the document structure when posing their queries. Here, the collection consists of xml documents, composed of di. In proceedings of the 27th acm sigir conference, sheffield, uk, pp 7259, 2004.
Controlling overlap in contentoriented xml retrieval. Such test collections have been built by inex, the initiative for the evaluation of xml retrieval. As a result of a collaborative effort, during the course of 2005, the. Posted by shahan in information retrieval, software development, xml.
Initiative for the evaluation of xml retrieval inex 2011. A yearly inex meeting is held to present and discuss research results. Introduction to the inex 2005 workshop on element retrieval. This paper relates to the difficulty in retrieving precise information from big repositories of magazine articles in full text. Information retrieval from xml documents offers an opportunity to go below the document level in search of relevant information, making any element of an xml document a retrievable unit. Pdf xml documents represent a middle range between unstructured data such as textual. Contentoriented xml retrieval approaches aim at a more focused retrieval strategy.
Typically, information retrieval techniques are used to support search on the. Series title information systems and applications, incl. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Passage retrieval from a long document, element retrieval from an xml. Inex, also described in this book, provided test sets for evaluating xml retrieval effectiveness. Enhancing contentandstructure information retrieval using a native xml database, proceedings of the. What inex provides an ir test collection consisting of a set of documents, a set of information needs queries, and the answers to those information needs is needed in order to measure the performance of a search engine. This article addresses this problem by automating the construction of a structured query from a keywords query that is more familiar to the web search user. Nlpx at inex 2006 alan woodley, shlomo geva school of software engineering and data communications, faculty of information technology, queensland university of technology gpo box 2434, brisbane, queensland, australia ap. Many realistic user tasks involve the retrieval of specific entities instead of just any type of documents.
Xml document retrieval return whole xml documents in response to an information need and xml element retrieval return focused elements only. To evaluate the effectiveness of such systems, test collections are necessary. The documents which are available on the web can be structured as well as semistructured. You need this tool to convert your runs from inex 2008 xml into the fol format inexeval. End users in the context of xml documents setting up an. However, structured query languages used by these retrieval systems are not meant for normal searchers. Dir 2003 4th dutchbelgian information retrieval workshop, amsterdam, the netherlands 2003 the authorowner. Lecture notes in computer science 7424, springer 2012, isbn 9783642357336. This is the author version of an article published as. Inex is unique because, unlike the others, it provides the means to evaluate focused retrieval search engines. Pdf the initiative for the evaluation of xml retrieval inex was set up in 2002 to.
It provides a means of evaluating retrieval systems that provide access to xml content. There is a second type of information retrieval problem that is intermediate between unstructured retrieval and querying a relational database. An overview of two potential approaches is available. Investigating the exhaustivity dimension in contentoriented. Xml information retrieval xmlir systems aim to better fulfil us.202 1071 120 1300 535 849 879 1108 861 750 928 642 1161 492 606 132 1298 1369 505 22 1429 1483 1119 712 497 114 1453 499 870 264 28 210 526 530 677 961 1370 734