[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-39525-en":3,"doc-seo-39525-105":29,"detail-sidebar-cat-0-en-105":91},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":20,"is_deleted":4,"is_public":20,"is_downloadable":20,"audit_status":20,"page_count":21,"language":22,"language_code":23,"site_id":24,"html_lang":23,"table_of_contents":25,"faqs":26,"seo_title":13,"seo_description":14,"update_tm":27,"read_time":28},39525,962075006959,"Anda","https://ap-avatar.wpscdn.com/avatar/e0002397efbe92a78e?_k=1776741047341049297",8,"Research & Report","Accessing Engineering Global Information for Engineers Phase 2","Phase 2 builds on Phase 1 findings about engineering students’ difficulties accessing information sources. It addresses the need for a self-describing “big picture” that visually maps relationships among sources, and the need for effective search vocabularies across increasingly complex databases. The work delivers ATlas of Engineering Information Sources (ATEIS) and end-User Search vocabularies in Engineering (USE). It presents the design of EISA, evaluates interoperability across controlled vocabularies, and proposes context-sensitive vocabulary progression with examples and XML-encoded excerpts.","# Accessing Engineering Global Information for Engineers:Phase 2\n\nZorana ErcegovacInfoEN Associates,UCLA,Los Angeles,CAUS,zercegov@ucla.edu  \n## ABSTRACT\n\nIn Phase 1,engineering students had demonstrated a number of conceptual difficulties in accessing engineeringinformation sources.Two findings stood out.Students need a self-describing big picture that visually showspathways between sources.Students as searchers of increasingly complex databases need search vocabularies.Phase 2 was designed to address these needs and resulted in ATlas of Engineering Information Sources (ATEIS)and end-User Search vocabularies in Engineering(USE).  \nThis paper presents results that are of practical and analytical significance.At a practical level,we developed anddesigned Engineering Information Sources and Access,EISA(www.cs.ucla.edu/Leap/Eisa/),to assist engineeringstudents to \"view\"and access engineering information sources in a layered manner.Discussed are design features ofEISA's front-end,ATEIS(www.CS.ucla.edu/Leap/Eisa/ateis.htm).Analytically,the study compared level ofinteroperability across four controlled vocabularies on selected terms for targeted user populations.We illustratesemantics,syntax,and syndetic levels of compatibility between the examined vocabularies.We argue that studentsneed a progression of context-sensitive search vocabularies during their searching.Examples are given ranging fromconcept maps to XMLencoded excerpts of the examined vocabularies.The paper closes by laying out extensions forfurther investigation for both ATEIS and USE  \n## 1.MOTIVATION OF THE STUDY\n\nDificalties that led to design and implementation of ATEIS.  \nIn Phase 1,about two thirds of the enginering students who volunteered to participate in a paper-and-pencilinformation literacy questionnaire,thought that library catalogs could access individual journal papers (Ercegovac &Karagozian,1998a;Ercegovac,1999).Students had poor understanding of how individual engineering sourcesrelate to one another.Specifically,students did not realize that a particular engineering database,such as the printedEngineering Index could be manifested in different media and that different implementations of the same parentdatabase typically differ by name(e.g.,Engineering Index,CompendexPlus,CompendexWeb);by design featuresand consequently,by the way these databases are searched,displayed,and manipulated.Furthermore,students didnot know that when they searched Inspec,they actually searched Physics Abstracts,Electrical EngineeringAbstracts,Computer and Control Abstracts,and Information Technology Abstracts.Students need a self-describing \"big picture\"that visually shows these relationships,a sort of an atlas of enginering sources forengineers.This is discussed in Section 2,under ATEIS.  \nDifficulties that led to the USE study.  \nStudents who participated in Phase 1 study could not differentiate between subject headings,title words,andkeywords (Ercegovac,1999).Libraries'\"quick guides\"use a variety of names such as subject terms,general topickeywords,and exact subject headings.The mising link is between the instruction to use \"exact subject heading\"andcontrolled vocabularies where one can find these headings.Most students do not even know that controlledvocabularies exist.With the exception of operational vocabularies,such as those created by the J.Paul Gey Trust(Art &Architecture Thesaurus (AAT)(www.getty.edu/research/tools/vocabulary/at),Union List of Artist Names(ULAN)(www.gety.edu/research/tools/vocabulary/ulan/),Thesaurus of Geographic Names (TGN)(www.getty.edu/research/tools/vocabulary/tgn),and the National Library of Medicine's Unified Medical LanguageSystem (UMLS)Metathesaurus (http:/umlsinfo.nlm.nih.gov/tools.html)(Wright,et al;Nadkarni,et al.),manyvocabularies are available only as printed books.Experimental projects are in progress (e.g.,Buckland,et al.;Cataloging Distribution Service at the Library of Congress http://www.loc.gov/eds).The vocabulary issue,discussed ","cbCairNldgMmoOeC","https://ap.wps.com/l/cbCairNldgMmoOeC","pdf",826974,1,16,"English","en",105,"# ABSTRACT\n# 1. MOTIVATION OF THE STUDY\n# 2. PRACTICAL SIGNIFICANCE OF ATEIS: A FRONT-END TO EISA","[{\"question\":\"What key problems were identified in Phase 1 that Phase 2 aims to solve?\",\"answer\":\"Students struggled to access engineering information sources and lacked an understanding of how engineering sources relate. They also could not distinguish between subject headings, title words, and keywords, and needed better search vocabularies for complex databases.\"},{\"question\":\"What are ATEIS and USE, and how do they relate to the study goals?\",\"answer\":\"Phase 2 produced ATlas of Engineering Information Sources (ATEIS) and end-User Search vocabularies in Engineering (USE). Together, they provide a way to view relationships among sources and support context-sensitive searching with appropriate vocabularies.\"},{\"question\":\"How does EISA (Engineering Information Sources and Access) support engineering information access?\",\"answer\":\"EISA is implemented as a layered front-end that helps users see relationships between bibliographic and factual sources, between secondary and primary sources, and provides access to engineering genres such as technical reports, patents, and papers, along with tutorials and vocabulary tools.\"}]",1783083822,40,{"code":4,"msg":30,"data":31},"ok",{"site_id":24,"language":23,"slug":32,"title":13,"keywords":33,"description":14,"schema_data":34,"social_meta":86,"head_meta":88,"extra_data":90,"updated_unix":27},"accessing-engineering-global-information-for-engineers-phase-2","",{"@graph":35,"@context":85},[36,53,68],{"@type":37,"itemListElement":38},"BreadcrumbList",[39,43,47,50],{"item":40,"name":41,"@type":42,"position":20},"https://docshare.wps.com","Home","ListItem",{"item":44,"name":45,"@type":42,"position":46},"https://docshare.wps.com/document/","Document",2,{"item":48,"name":12,"@type":42,"position":49},"https://docshare.wps.com/document/research-report/",3,{"item":51,"name":13,"@type":42,"position":52},"https://docshare.wps.com/document/accessing-engineering-global-information-for-engineers-phase-2/39525/",4,{"url":51,"name":13,"@type":54,"author":55,"headline":13,"publisher":57,"fileFormat":60,"inLanguage":23,"description":14,"dateModified":61,"datePublished":62,"encodingFormat":60,"isAccessibleForFree":63,"interactionStatistic":64},"DigitalDocument",{"name":9,"@type":56},"Person",{"url":40,"name":58,"@type":59},"DocShare","Organization","application/pdf","2026-07-11","2026-07-03",true,{"@type":65,"interactionType":66,"userInteractionCount":20},"InteractionCounter",{"@type":67},"ViewAction",{"@type":69,"mainEntity":70},"FAQPage",[71,77,81],{"name":72,"@type":73,"acceptedAnswer":74},"What key problems were identified in Phase 1 that Phase 2 aims to solve?","Question",{"text":75,"@type":76},"Students struggled to access engineering information sources and lacked an understanding of how engineering sources relate. They also could not distinguish between subject headings, title words, and keywords, and needed better search vocabularies for complex databases.","Answer",{"name":78,"@type":73,"acceptedAnswer":79},"What are ATEIS and USE, and how do they relate to the study goals?",{"text":80,"@type":76},"Phase 2 produced ATlas of Engineering Information Sources (ATEIS) and end-User Search vocabularies in Engineering (USE). 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