The Rufus System: Information Organization for Semi-Structured Data

摘要: While database systems provide good function for writing applications on structured data, computer system users are inundated wit.11 a flood of semistructured information, such as documents, electronic mail, programs, and images. Today, this information is typically stored in filesystems that limited support organizing, searching, operating upon data. Current inappropriate semi-structured because they require the data be translated to their model, breaking all current use Although research has concentrated extending them handle more varieties fully important could help informat,ion. The Rufus syst*em attacks problems It provides browsing commonly systems. models with an extensible objectoriented class hierarchy a.nd automatic classification user within hierarchy. Query access provided search needed information. Various ways structuring browse. Methods Permission copy without fee or part m.aterial granted Ihat copies not m,ade distributed direct com.nrrrcial advantage, VLDB copyrighf n.otice title publication its date appear! given copying by permission Very Large Data Base Endowment. To otherwise, republish, requires and/or special front 2h.e Proceedings 19th Conference Dublin, Ireland 1993 a.ssocia.ted classes encapsulate actions can t,ake These capabilities a.re pa.ckaged framework applications. We have built. two demonstration using framework: generic browse application called xrufus extension Usenet news reading program trn. daily at our laboratory. This paper describes design implementation framework, experiences it, influence next version ‘of