L. J. Brown, M. P. Consens, I. J. Davis, C. R. Palmer, F. W. Tompa. A Structured Text ADT for Object-Relational Databases. Theory and Practice of Object Systems 4(4), 1998. Home/Search Document Details and Download
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Data Modeling and Relational Storage of XML-based Teachware - Süß, Zukowski, Freitag (2001) (Correct)
....of abstraction using XPath [5] expressions. As compared to [6] we neither lose the difference between subelements and attributes nor that between subelements and references. Furthermore, combining our approach with object relational databases we can benefit from specific user defined datatypes [2, 15] and indexing techniques [1, 4] Finally, our storage model is based on directed acylic graphs. In contrast to treebased storage structures, it facilitates the reuse of XML subdocuments and supports multiple views on XML documents. The rest of this paper is organized as follows: In Section 2 we ....
....as a stand alone storage model. AsshowninSection4.2andinSection4.3, queries for complete or reduced documents can be answered more efficiently than using a complete decomposition. However, to support arbitrary queries a standalone fragmentation either has to fall back on user defined datatypes [2, 15] and indexing techniques [1, 4] provided by object relational databases, or it has to apply sophisticated algorithms to answer e.g. XPath queries in part using data base queries and in part using in memory techniques, e.g. applying a XSL engine. In this section we show how the fragmentation ....
L. J. Brown, M. P. Consens, I. J. Davis, C. R. Palmer, and F. W. Tompa. A Structured Text ADT for Object-Relational Databases. TAPOS - Theory and Practice of Object Systems, 4(4), 1998.
Views of Text - Tompa (1997) (Correct)
....way that is often unnatural. Furthermore, applications must later reassemble document components from scattered fragments through extensive join operations that reconstruct their nesting structure and ordering[19] We propose instead that structured text be recognized as a datatype in its own right[2, 3]. Operators to extract and manipulate subtexts can then be defined to provide application programs with effective means to access whole texts or text fragments as needed. Using this approach, a document can be stored as a single text value or it can be fragmented to the extent that is ....
L. J. Brown, M. P. Consens, I. J. Davis, C. R. Palmer, and F. W. Tompa, "A Structured Text ADT for Object-Relational Databases," Dept. of Computer Science Technical Report CS97 -26, University of Waterloo (July 1997) 24 pp.
Grammars++ for Modelling Information in Text - Salminen, Tompa (1996) (1 citation) (Correct)
....whereas the operations are defined in the conventional database model. This also complicates the design of user interfaces for document management. A different approach to the integration of text and relational data is to extend the set of operators in SQL to accommodate structured text [6, 8, 18]. It is not based on transformations between documents and relational databases, but on the coexistence of data repositories for two types of data and the definition of a combined query language for them. Unlike in other approaches, the text remains intact as the authoritative repository of text ....
....papers satisfying the first one, and subsections satisfying the fourth production must be contained within candidate match points for either the second or the third constraining production. In this way, we can specify a tree pattern to operate against data conforming to the base grammar (cf. [8, 29]) Definition. Let G(t) be a constraining grammar for type t obtained from a base grammar G, and let c be a part of type t in a parse tree for G. Part c matches G(t) if c contains at least one candidate match point for each production of G(t) Furthermore, let d be the annotation attached to ....
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L.J. Brown, M. Consens, I.J. Davis, C.R. Palmer, and F.W. Tompa. A structured text ADT for objectrelational databases, TAPOS (to appear 1998).
A Comprehensive XQuery to SQL Translation Using.. - DeHaan, Toman.. (2003) (18 citations) Self-citation (Consens) (Correct)
.... WORK The use of an interval encoding for dealing with hierarchical queries in the relational world is well known [15] The representation has been used, in the area of document management, for specifying containment in text databases [20, 21] and for manipulating SGML data in a relational system [12]. More recently, the performance behavior of interval processing within relational systems has been studied in the context of XML containment queries [8, 36] The approaches, however, do not address dynamic aspects of XQuery evaluation that are linked to nested iteration (forloops) and to creation ....
L. J. Brown, M. P. Consens, I. J. Davis, C. R. Palmer, and F. W. Tompa. Structured Text ADT for objectrelational databases. Theory and Practice of Object Systems, 4(4):227--244, 1998.
A Comprehensive XQuery to SQL Translation Using.. - DeHaan, Toman.. (2003) (18 citations) Self-citation (Consens) (Correct)
.... WORK The use of an interval encoding for dealing with hierarchical queries in the relational world is well known [14] The representation has been used, in the area of document management, for specifying containment in text databases [17, 18] and for manipulating SGML data in a relational system [11]. More recently, the performance behavior of interval processing within relational systems has been studied in the context of XML containment queries [8, 32] The approaches, however, do not address dynamic aspects of XQuery evaluation that are linked to nested iteration (forloops) and to creation ....
L. J. Brown, M. P. Consens, I. J. Davis, C. R. Palmer, and F. W. Tompa. Structured Text ADT for objectrelational databases. Theory and Practice of Object Systems, 4(4):227--244, 1998.
Dynamic Intervals: Handling Intermediate XML Query.. - Consens, DeHaan, Toman Self-citation (Consens) (Correct)
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L. J. Brown, M. P. Consens, I. J. Davis, C. R. Palmer, and F. W. Tompa. Structured Text ADT for object-relational databases. Theory and Practice of Object Systems, 4(4):227-244, 1998.
System Desiderata for XML Databases - Salminen, Tompa Self-citation (Tompa) (Correct)
....proposed that DTDs be stored and manipulated as part of object relational database instances 2 For simplicity and to avoid confusion between XML schemas and database schemas, we henceforth use the term DTD to refer generically to any form of XML schema or document type definition facility. [BCD98], and we reiterate this as a desired characteristic for modelling DTDs in XML databases more generally. We note that neither Oracle8i nor the DB2 XML Extender represent the DTD associated with a document as part of the schema; however the DTD is stored in a separate file, which is unavailable to ....
L. J. Brown, M. P. Consens, I. J. Davis, C. R. Palmer, and F. W. Tompa. A structured text ADT for object-relational databases. Theory and Practice of Object Systems 4(4) (1998), 227-244.
TeXQuery: A Full-Text Search Extension to XQuery - Sihem Amer-Yahia Att (2004) (Correct)
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L. J. Brown, M. P. Consens, I. J. Davis, C. R. Palmer, F. W. Tompa. A Structured Text ADT for Object-Relational Databases. Theory and Practice of Object Systems 4(4), 1998.
XRANK: Ranked Keyword Search over XML Documents - Lin Guo Feng (2003) (24 citations) (Correct)
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L. J. Brown, et al., "A Structured Text ADT for ObjectRelational Databases", Theory and Practice of ObjectSystems 4(4), 1998.
TeXQuery: A Full-Text Search Extension to XQuery - Sihem Amer-Yahia Att (Correct)
No context found.
L. J. Brown, M. P. Consens, I. J. Davis, C. R. Palmer, F. W. Tompa, A Structured Text ADT for Object-Relational Databases. Theory and Practice of Object Systems 4(4), 1998.
An XML Query Engine for Network-Bound Data - Ives, Halevy, Weld (2001) (6 citations) (Correct)
No context found.
L. J. Brown, Mariano P. Consens, Ian J. Davis, Chris R. Palmer, and Frank Wm. Tompa. A structured text ADT for object-relational databases. In TAPOS, volume 4(4), pages 227--244, 1998.
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