X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=doc%2Fintroduction.xml;h=83032319ae55e3168c9ae17c720876f6e3c27a9b;hb=cd13985dc9d5335f6dc2f6b015407cc8dd5d8772;hp=189c4bc7368e23aa167c1254faa7a6b6bea003f5;hpb=ca2d3fd0b71d134c00d5b741d48367e7b06263d2;p=idzebra-moved-to-github.git diff --git a/doc/introduction.xml b/doc/introduction.xml index 189c4bc..8303231 100644 --- a/doc/introduction.xml +++ b/doc/introduction.xml @@ -1,5 +1,5 @@ - + Introduction @@ -78,10 +78,10 @@ Robust updating - records can be added and deleted ``on the fly'' without rebuilding the index from scratch. - Registers can be safely updated even while users are accessing + Records can be safely updated even while users are accessing the server. The update procedure is tolerant to crashes or hard interrupts - during register updating - registers can be reconstructed following + during database updating - data can be reconstructed following a crash. @@ -184,13 +184,15 @@ - + Applications Zebra has been deployed in numerous applications, in both the academic and commercial worlds, in application domains as diverse as bibliographic catalogues, geospatial information, structured - vocabulary browsing, ### (Help, guys!) + vocabulary browsing, government information locators, civic + information systems, environmental observations, museum information + and web indexes. Notable applications include the following: @@ -199,7 +201,7 @@ DADS - the DTV Article Database Service - DADS is a huge database of more than ten million records, totally + DADS is a huge database of more than ten million records, totalling over ten gigabytes of data. The records are metadata about academic journal articles, primarily scientific; about 10% of these metadata records link to the full text of the articles they @@ -207,12 +209,67 @@ full text is not indexed.) - It allows students and researchers at DTU (###) to find and order + It allows students and researchers at DTU (Danmarks Tekniske + Universitet, the Technical College of Denmark) to find and order articles from multiple databases in a single query. The database contains literature on all engineering subjects. It's available - on-line through a web gateway at - http://www.dtv.dk/search/index_e.htm - though currently only to registered users. + on-line through a web gateway, though currently only to registered + users. + + + More information can be found at + + + + + + NLI-Z39.50 - a Natural Language Interface for Libraries + + Fernuniversität Hagen in Germany have developed a natural + language interface for access to library databases. + + In order to evaluate this interface for recall and precision, they + chose Zebra as the basis for retrieval effectiveness. The Zebra + server contains a copy of the GIRT database, consisting of more + than 76000 records in SGML format (bibliographic records from + social science), which are mapped to MARC for presentation. + + + (GIRT is the German Indexing and Retrieval Testdatabase. It is a + standard German-language test database for intelligent indexing + and retrieval systems. See + + + + Evaluation will take place as part of the TREC/CLEF campaign 2003 + + + + For more information, contact Johannes Leveling + Johannes.Leveling@FernUni-Hagen.De + + + + + ULS (Union List of Serials) + + The London School of Economics (### I think) + are involved in a projects called ULS to provide a union catalogue + for periodicals in 21 member libraries. They do this with an + unusual architecture which they call a + ``non-distributed virtual union catalogue''. + + + The member libraries send in data files representing their + periodicals, including both brief bibliographic data and summary + holdings. Then 21 individual Z39.50 targets are created, each + using Zebra, and all mounted on the single hardware server. + The live service provides a web gateway allowing Z39.50 searching + of all 21 targets or a selection of them. + + + More information can be found at + @@ -226,7 +283,15 @@ or subset of the whole Web. - ### examples, details and numbers, please! + For example, Liverpool University's web-search facility (see on + the home page at + + and many sub-pages) works by relevance-searching a Zebra database + which is populated by the Harvest-NG web-crawling software. + + + For more information, contact John Gilbertson + jgilbert@liverpool.ac.uk