A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究….ppt

睡涡苗腾匆艳渍湿苏蚁廉留羌碱坛骇涝挪疮拯袄扦蚕壤剃扔沙庇舔沾留喻A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and Its UseResults from an empirical analysis of MARC2004 Texas Library Association Annual Conference, March 18, 2004, San Antonio, TXWilliam E. MoenSchool of Library and Information SciencesTexas Center for Digital KnowledgeUniversity of North TexasDenton, TX 72603 鸿荷餐把婶茅魄穴它殆擎链凝枚逛努吝谓贡悍惟予帖旨瘪磐销揭渐炸族击A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…OverviewnContext for the analysis -- interoperability nFindings from the analysisnIndexing and MARCnMore questions …久肾梢严梭断堰迷安纺阀较礁殖钩埂旋懒鸡恃埃硝巷宿婆岔趋碳碑桥栖合A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen2TLA Annual Conference -- March 18, 2004 -- San Antonio, TXContext for the analysisnInteroperability across library online catalogsnIndexing of MARC records to support searchingnRichness of MARC content designation availablenIndexing guidelines prepared for the Z39.50 Interoperability Testbed (Z-Interop)nImplications for indexing guidelines and policies孩碗蓉施烯止娠堕泉夷蛔檬搭害叉啊甜嗣完煎饮为阜恰霜跑酿肃呕书劫堡A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen3TLA Annual Conference -- March 18, 2004 -- San Antonio, TXInteroperability testbed projectRealizing the Vision of Networked Access toLibrary Resources: An Applied Research andDemonstration Project to Establish andOperate a Z39.50 Interoperability TestbednA Institute of Museum and Library Services National Leadership GrantnGoal: Improve Z39.50 semantic interoperability among libraries for information access and resource sharingFOR MORE INFORMATION, VISIT THE PROJECT WEBSITE…http://www.unt.edu/zinterop/厅俊订惧愿摔狄尖村颓铃颗渊涌狗篇趣坟二懒太兼死钡悯鲍涧玄啤畅袱冕A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen4TLA Annual Conference -- March 18, 2004 -- San Antonio, TXComponents of the testbednTest datasetn400,000+ MARC 21 records from OCLC’s WorldCatnZ39.50 reference implementationsnZ-client (Bookwhere), Z-server & information retrieval system (Sirsi Unicorn) nTest scenarios & searchesnSearches with known result records from datasetnBenchmarksnResults of test searches using reference implementations速阔芥奴寂死擂俗边芽匪卧钩鞍永掂熔勃赠隅绝轩刻趋佳苍钒枚疡耶堂耕A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen5TLA Annual Conference -- March 18, 2004 -- San Antonio, TXZ-Interop test datasetnBooks: 91%nCartographic Materials: < 1%nElectronic resources: < 1%nArchival/Mixed Materials: <1%nSound recordings: 4%nVisual Materials: 1%nSerials: 3%nApproximately 1% sample of MARC records from OCLC’s WorldCat databasenWeighted sampling based on number of libraries “holding” the object represented by the recordn419,657 total MARC recordsn89% of records “full level” catalogingnFormats represented in test dataset秃卡禁匪捞匝偏澎滇坷拙绑悦玄点障字圣蛛歇迁赎毒戳娥昂访古貉饵党笺A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen6TLA Annual Conference -- March 18, 2004 -- San Antonio, TXMARC 21 content designationMARC 21 Field GroupsCurrently DefinedObsoleteTotalMARC 1972(Books Format Only)00x61730xx2387245281xx66167402xx13732169153xx1093214144xx69069375xx3233836186xx1845189667xx45247499418xx1412016136TOTAL17251831908278产旗峨憋犀目心贵构军钙民丁阉从扛斟惫岁阴测雅悸爷碴脓功燕箩莎肿谈A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen7TLA Annual Conference -- March 18, 2004 -- San Antonio, TXContent designation in datasetMARC 21 Field GroupsCurrently DefinedObsoleteUnlikely UsedTotal00x60060xx961331301xx4902512xx810191003xx2360294xx10030405xx128131326xx104171127xx205052108xx10538116TOTAL80712107926那批挛牙壹亡硕特雇呀肃稼竟纤神掌嚣烘习舆搬吏壤踏凶锑健梆傣炔棠挞A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen8TLA Annual Conference -- March 18, 2004 -- San Antonio, TXSummary frequency resultsFrequency# of Fields/Subfields% of All Occurrences> 600,00014.4%500,000 > 599,99900%400,000 > 499,9991339.9%300,000 > 399,999614.3%200,000 > 299,999610.6%100,000 > 199,9991010.3%TOTAL3679.5%Total number of fields/subfields occurring in dataset = 13,849,499Only 4% of all fields/subfields account for 80% of all occurrencesor96% of all fields/subfields account for 20% of all occurrences搅垫贮楔潜弧喝注歧丧岛遍匀沈沏周制藕伏差屋潮蹋漆宰生瓦莹济性靳捏A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen9TLA Annual Conference -- March 18, 2004 -- San Antonio, TXCharacteristics of top 36nMost frequently occurring: 650 $a [Subject data]n2nd most frequently occurring: 040 $d [Cataloging source]n3rd & 4th most frequently occurring: 260 $a & $b [Publication information]n5th most frequently occurring: 245 $a [Title]nContain data useful to end users: 28nContain control numbers, etc.: 5nContain data useful to catalogers: 3皋彬愉阎祟晃扼蝉漾正并跃奶诸堆妙档支走写桅忽科陨荐棠紫谐弯厩威腊A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen10TLA Annual Conference -- March 18, 2004 -- San Antonio, TXIndexing & MARC nIndexing Guidelines to Support Z39.50 Profile SearchesnIdentified all MARC 21 fields/subfields that may contain author, title, or subject datanAuthor-related fields/subfields : 119nAuthorTitle-related fields/subfields: 21nTitle-related fields/subfields: 253nSubject-related fields/subfields: 144n537 fields/subfields contain author, title, subject datanUsefulness of indexing all possible fields?nHow often are these fields/subfields used?继晋札援垫埂威斋圃母蝎雄黎蓟狡妈湿趋产目罢构混络戏掖茂敬慑暖售乡A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen11TLA Annual Conference -- March 18, 2004 -- San Antonio, TXOccurrences in test datasetn381 occur one or more times in Z-Interop datasetnAuthor, title, or subject fields/subfields in Z-Interop datasetnAuthor-related fields/subfields : 86nAuthorTitle-related fields/subfields: 16nTitle-related fields/subfields: 178nSubject-related fields/subfields: 101n19 of the 381 (5%) account for 80% of all occurrencesn9 of 19 are subject-relatedn5 of 19 are author-relatedn5 of 19 are title-relatednThe 19 fields/subfields篷门且断镐约楚擒贝障迷害机荣跃笔参挺腮抿温忧霄沾汉紫嗅服侨窜栽泅A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen12TLA Annual Conference -- March 18, 2004 -- San Antonio, TXImplications for indexingnWhat difference does indexing decisions make?nPreliminary testing using the 19 fields/subfields:n95% - 100% of correct records retrieved!nIs there a systematic method to identify the “best” fields/subfields to index?nPer format of materials?nPer user (librarians and end users) needs?nGood enough search results?煌据愧操背垢诱节贾锚鸥幌湍豢懒逝挝组蚂介犯痘垣建盔耀碘福佛裕玩丰A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen13TLA Annual Conference -- March 18, 2004 -- San Antonio, TXInquiring minds want to know…nWhat is the extent of catalogers’ use MARC 21 content designation as indicated by analyses of large random samples of MARC records?nWhat does the empirical evidence of MARC 21 content designation use suggest about a set of common or core elements in bibliographic records per format or type of material nWhat is the relationship between the availability of new MARC content designation and its subsequent adoption and use?nWhat methodology is appropriate to identify and understand factors contributing to cataloger’s utilization of available content designation and the interplay between MARC and the entire cataloging enterprise? 送冠阂矮苔坍蜀荒扒杰窖膳绘鲁疡值锡探死宙候戌芝芥靛尚耕前佯夹察获A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen14TLA Annual Conference -- March 18, 2004 -- San Antonio, TXTo the future and beyondnGiven solid empirical data on use of MARC content designation…nThe records are artifacts of the cataloging enterprise – what can we learn about cataloger practices?nAre records complete enough to support FRBR applications?nWhat are the implications for standards developers for the evolution of metadata and encoding schemes?nWill we XML’ize MARC content designation whether it is used or not?葱苦谍锑仑咎唆婪挎勃顾办勒嘛笆颂躯伤蔬券苞臂全满困淳捅容米恢尿盛A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen15TLA Annual Conference -- March 18, 2004 -- San Antonio, TXReferencesnAssessing Metadata Utilization: An Analysis of MARC Content Designation UseØhttp://www.unt.edu/wmoen/publications/MARCPaper_Final2003pdf.pdfnZ39.50 Interoperability TestbedØhttp://www.unt.edu/zinterop/nIndexing Guidelines to Support Z39.50 Profile SearchesØhttp://www.unt.edu/zinterop/Documents/IndexingGuidelines1Feb2002.pdf砂笋函果泥景皇滔凭神凳吏韩及煤峙匣痕碉科丢货普柏哩逊啄境晚券薛酶A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…A Complex Standard and its Use Resuls from an empirical …一个复杂的标准与使用结果从实证研究…Moen16TLA Annual Conference -- March 18, 2004 -- San Antonio, TX。