In the past few years, query languages featuring generalized path expressions have been proposed. These languages allow the interrogation of both data and structure. They are powerful and essential...
{"title":"Evaluating queries with generalized path expressions","authors":"ChristophidesVassilis, CluetSophie, MoerkotteGuido","doi":"10.1145/235968.233358","DOIUrl":"https://doi.org/10.1145/235968.233358","url":null,"abstract":"In the past few years, query languages featuring generalized path expressions have been proposed. These languages allow the interrogation of both data and structure. They are powerful and essential...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1996-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/235968.233358","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64144358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In a digital library system, documents are available in digital form and therefore are more easily copied and their copyrights are more easily violated. This is a very serious problem, as it discou...
{"title":"Copy detection mechanisms for digital documents","authors":"BrinSergey, DavisJames, García-MolinaHéctor","doi":"10.1145/568271.223855","DOIUrl":"https://doi.org/10.1145/568271.223855","url":null,"abstract":"In a digital library system, documents are available in digital form and therefore are more easily copied and their copyrights are more easily violated. This is a very serious problem, as it discou...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1995-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/568271.223855","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64142381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Today's information system executives desperately need to improve programmer productivity and reduce software maintenance costs. They are demanding flexibility in frameworks and architectures in or...
{"title":"Enterprise Objects Framework","authors":"KleissnerCharly","doi":"10.1145/568271.223875","DOIUrl":"https://doi.org/10.1145/568271.223875","url":null,"abstract":"Today's information system executives desperately need to improve programmer productivity and reduce software maintenance costs. They are demanding flexibility in frameworks and architectures in or...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1995-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/568271.223875","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64142484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In this work, we propose and assess a technique called bypass processing for optimizing the evaluation of disjunctive queries with expensive predicates. The technique is particularly useful for opt...
{"title":"Optimizing disjunctive queries with expensive predicates","authors":"KemperA., MoerkotteG., PeithnerK., SteinbrunnM.","doi":"10.1145/191843.191906","DOIUrl":"https://doi.org/10.1145/191843.191906","url":null,"abstract":"In this work, we propose and assess a technique called bypass processing for optimizing the evaluation of disjunctive queries with expensive predicates. The technique is particularly useful for opt...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1994-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/191843.191906","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64120601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The popularity of on-line document databases has led to a new problem: finding which text databases (out of many candidate choices) are the most relevant to a user. Identifying the relevant databas...
{"title":"The effectiveness of GIOSS for the text database discovery problem","authors":"GravanoLuis, García-MolinaHéctor, TomasicAnthony","doi":"10.1145/191843.191869","DOIUrl":"https://doi.org/10.1145/191843.191869","url":null,"abstract":"The popularity of on-line document databases has led to a new problem: finding which text databases (out of many candidate choices) are the most relevant to a user. Identifying the relevant databas...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1994-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/191843.191869","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64120589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Various types of computer systems are used behind the scenes in many parts of the telecommunications network to ensure its efficient and trouble-free operation. These systems are large, complex, an...
{"title":"SIGMOD challenges paper","authors":"AhnIlsoo","doi":"10.1145/191843.191847","DOIUrl":"https://doi.org/10.1145/191843.191847","url":null,"abstract":"Various types of computer systems are used behind the scenes in many parts of the telecommunications network to ensure its efficient and trouble-free operation. These systems are large, complex, an...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1994-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/191843.191847","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64121032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Global transaction management requires cooperation from local sites to ensure the consistent and reliable execution of global transactions in a distributed database system. In a heterogeneous distr...
{"title":"Ensuring relaxed atomicity for flexible transactions in multidatabase systems","authors":"ZhangAidong, NodineMarian, BhargavaBharat, BukhresOmran","doi":"10.1145/191843.191850","DOIUrl":"https://doi.org/10.1145/191843.191850","url":null,"abstract":"Global transaction management requires cooperation from local sites to ensure the consistent and reliable execution of global transactions in a distributed database system. In a heterogeneous distr...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1994-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/191843.191850","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64121039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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