Schwabe D, Rossi G. The object-oriented hypermedia design model. Communications of the ACM 1995; 38(8):45--46.  Home/Search   Document Not in Database   Summary   Related Articles   Check

.... modeling, design of document management systems, design of integrated circuits, design in the field of computer telephony integration (CTI) During the last years a lot of special purpose modeling approaches have emerged in those fields (for instance: Fra97] Fra94] IsSt95] Oul95] [Sch95], Tay95] While they usually require specialized concepts, many of them are closely interrelated with object oriented modeling. For instance: Modeling a business process usually requires to refer to information specified within an object model. In order to foster integration, it is helpful to ....

Schwabe, D., Ross, G.: The Object-Oriented Hypermedia Design Model. In: Communications of the ACM, Vol. 38, No. 8, 1995, pp. 45-48

....same content. introduces the separation of content, layout and application logic (storage level, presentation level and logical level) and focuses on the logical level of a Web application to provide formalized mappings of the content through the logical level onto the presentation level. OOHDM [20] is an object oriented hypermedia design methodology based on the HDM data model [21] that focuses on the database application domain. In OOHDM, separate phases for the conceptual design, the navigational design and the user interface design are introduced. The conceptual design models the ....

Schwabe, D., Rossi, G.: The object-oriented hypermedia design model. Communications of the ACM 38 (August 1995) pp. 45-46.

....methods ( 4] 10] 15] are not sufficient for our purpose: They lack enhancements that support the specification of special document. Furthermore they do not include specific concepts to analyze and if required to redesign business processes. Dedicated document modeling methods (like [9] [16]) on the other hand primarily focus on describing documents without regarding associations to other objects within an information system. They do not provide any support to model business processes as well. Standardized representati ons of documents such as SGML or ODA ODIF are some times ....

Schwabe, D., Ross, G., "The Object-Oriented Hypermedia Design Model", Communications of the ACM, Vol. 38, No. 8,

....There are numerous models and methodologies directly or indirectly designed for the modeling Web site structure in a broad sense, raging from the ones used in commercial applications to experimental and purely academic. Some inspiring but rather unrelated approaches to UfiGraph include OOHDM [10] and Stmdel [4] The classic model for structuring Web sites is used in all of today s popular Web servers like Apache and Microsoft Internet Information Server. It is mainly based on the file system and partially on simple configuration data (e.g. redirecfion URIs) Resources are implemented as ....

Schwabe, D., Rossi, G. The Object-Oriented Hypermedia Design Model. Communication of ACM, 38(8), 1995, pp. 45-46.

....[19] explicitly introduces the separation of content, layout and application logic (storage level, presentation level and logical level) and focuses on the logical level of a Web application to provide formalized mappings of the content through the logical level onto the presentation level. OOHDM [20] is an object oriented hypermedia design methodology based on the HDM data model [21] that focuses on the database application domain. In OOHDM, separate phases for the conceptual design, the navigational design and the user interface design are introduced. The conceptual design models the ....

Schwabe, D., Rossi, G.: The Object-Oriented Hypermedia Design Model. Communications of the ACM 38 (August 1995) pp. 45-46.

....description is not possible. Furuta and Stotts formally model document structure by Petri nets [29] Thereby, they concentrate on browsing information. In [30] they use model checking to analyze browsing properties. Design and implementation of hyperdocuments is proposed by HDM [24] and OOHDM [25, 26]. This model distinguishes between the design of content, link structure, and views, followed by their implementation. This four phase process model captures content and links abstractly by so called entity and link types. Entities are structured stepwise before they are connected by concrete ....

D. Schwabe and G. Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 38(8):45--46, August 1995.

....description is not possible. Furuta and Stotts formally model document structure by Petri nets [29] Thereby, they concentrate on browsing information. In [30] they use model checking to analyze browsing properties. Design and implementation of hyperdocuments is proposed by HDM [24] and OOHDM [25, 26]. This model distinguishes between the design of content, link structure, and views, followed by their implementation. This four phase process model captures content and links abstractly by so called entity and link types. Entities are structured stepwise before they are connected by concrete ....

D. Schwabe and G. Rossi. OOHDM. An object-oriented Hypermedia Design Model. Technical report, Pontifcia Universidade Catlica do Rio (PUC-Rio), Departamento de Informatica, 1994.

....WWW site, the design of hypermedia applications has become an important research topic. One of the most important advances in this area in recent years is the creation of methodologies for hypermedia development (such as Schwabe and Rossi s Object Oriented Hypermedia Design Model OOHDM [SR95] Isakowitz et al. s Relational Management Methodology RMM [ISB95] Lange s Object Oriented Design Method EORM [Lan94] Garzotto et al. s Hypermedia Design Model HDM [GMP95] These methodologies are primarily guidelines to be followed during the design process and they specify the ....

D. Schwabe and G. Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 38(8):45--46, August 1995.

....structure should be carefully designed in order to provide a page organization to be effectively browsed by the users. Clearly, a careful design needs to properly coodinate this two aspects. To support the process of designing these large, data intensive Web sites, several methodologies (e.g. [18, 22, 28]) have been recently proposed in the context of hypermedia design. These method ologies represent a first step towards the solution of the problem. They provide specific data models and methodological steps to assist in the process of designing a hypermedia application. However, we believe that ....

....enforcing consistency even in the presence of restructurings. This paper presents the ARANEUS Web Design Methodology, a thorough and systematic design process to organize and maintain large amounts of data in a Web hypertext. Our approach builds on known hypermedia design methodologies [18, 22, 28], and extends them in several ways, in order to automate the implementation and maintenance of the site and to allow for integration or interaction with other information systems. In fact, although many ideas developed in this paper can be considered of general applicability, we mainly focus on ....

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D. Schwabe and G. Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 58(8):45 46, August 1995.

....on the class or entity relationship models (semiformal models) Semiformal models visualise the structure of a document or domain being presented by document, and interconnections between contained information chunks. HDM [9] W3DT (earlier name SHDT) 2] the domain modelling techniques in OOHDM [14] belong to this category. An example of the formal model for hypertext databases using hypergraphs is presented by Tompa [16] The model facilitates the separation of structure from the content. Functional modelling of dynamic behaviour is based on the algebraic theory or on description of ....

Schwabe, D., Rossi, G.: The Object-Oriented Hypermedia Design Model. Communication of the ACM, Vol. 38, No. 8, 45-46, August 1995.

....for semi structured information and sites are specified through queries expressed in the StruQL language over the semi structured data model. WebML shares several features also with the languages for hypermedia applications, such as HDM Hypermedia Design Model [9] OOHDM Object Oriented HDM [12] and RMM Relationship Management Methodologies [9] from which its basic notations and concepts derive. However, w.r.t. such models WebML has been simplified in order to be effectively supported by CASE tools, and new features specific to data intensive Web applications have been integrated. ....

D. Schwabe, G. Rossi. "The Object-Oriented Hypermedia Design Model". Communications of the ACM 38, 8, 45-46, 1995.

....(interactive animations) and screen cams (digital films) 10 minutes of interviews to the tool s authors, in form of digital films, diagrams, texts (Italian and English) tables, audio comments (Italian and English) and music. The tutorial has been designed using the Hypermedia Design Model [4 8] that provides the primitives to model the application, the directives for its implementation and the precepts for an ordered development cycle. According to HDM [4,5,8] a hypermedia application can be completely described in terms of an Hyperbase in the large schema, an Hyperbase ....

....tables, audio comments (Italian and English) and music. The tutorial has been designed using the Hypermedia Design Model [4 8] that provides the primitives to model the application, the directives for its implementation and the precepts for an ordered development cycle. According to HDM [4,5,8], a hypermedia application can be completely described in terms of an Hyperbase in the large schema, an Hyperbase in the small schema, an Access Structures plan and a Layout Definition . The Hyperbase in the large outlines the main features of the application topics and the relations among ....

D.Schwabe, G.Rossi, The Object-Oriented Hypermedia Design Model, Communications of the ACM, Vol. 38, N. 8, pp.45-46, Aug. 1995

....of view, project aims and structures are more useful than detailed weekly tasks. The design that was constructed for this CASE STYDY requires only static navigational structures. However the dynamic structure requires to define the navigational transformations that occur while traversing links(Schwabe and Rossi 1995). In OOHDM, D. Schwabe presented the use of Navigation Charts to construct dynamic navigational behavior(Schwabe, Rossi et al. 1996) 4.3 User Interface Design and Implementation Figure (4.5) Simplify version of Abstract Data View (ADV) for Project node During this step, navigational classes ....

Schwabe, D. (1995). "The Object-Oriented Hypermedia Design Model." Communications of the ACM 38(8): 45-46.

....a scheme of the typical activities involved in the construction of a Web application can be obtained byinterpolating the lifecycle models of traditional Information Systems and the proposals for structured Hypermedia design #Garzotto et al. 1995; Isakowitz et al. 1995; J.Nanard and M. Nanard 1995; Schwabe and Rossi 1995#. Figure 1 illustrates the lifecycle model used as a reference in this paper. Requirements Analysis: the mission of the application is established, by identifying the prospective users and de#ning the nature of the information base. In addition to the customary requirement collection and ....

.... problem of human computer interaction speci#cation can be employed for navigation modelling: data models extended with built in navigation semantics #Garzotto et al. 1993; Isakowitz et al. 1995; Fraternali and Paolini 1998# or explicitly annotated with behavioral speci#cations #Kesseler 1995; Schwabe and Rossi 1995#, #rst order logic #Garg 1988#, Petri nets #Stotts and Furuta 1989#, #nite state machines #Zheng and Pong 1992#, and formal grammars #Jacob 1982# are among the viable options. Presentation modelling aims at representing the visual elements of the application interfaces in a way that abstracts ....

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Schwabe, D. and Rossi, G. 1995. The object-oriented hypermedia design model. Communications of the ACM 38, 8, 45#46.

....: Hypermedia development stages Conceptual design diagrams (e.g. ER diagrams or classes, etc) These are a few design methods that have developed during the recent years. These include y Hypermedia Design Method (HDM) Garzotto, Paolini et al. 1993) by F. Garzotto, y Object Oriented HDM (OOHDM) (Schwabe 1995) by D. Schwabe, y Enhanced Object Relationship Model (EORM) Lange 1994) by D. Lange, y Relationship Management Model (RMM) Isakowitz, Strohr et al. 1995) and Extended RMM (Isakowitz, Kamis et al. 1997) by T. Isakowitz, y WebArchitect(Takahashi 1997) by K. Takahashi which extends RMM by ....

....pictures or the description of same information in many different language. The perspectives can be applied in any level of the hierarchy (i.e. from units level to entity types level) in the HDM model. These different perspectives in HDM play the same role as different navigational models in OOHDM (Schwabe 1995) with some differences. Navigational models in OOHDM are more focused on the global navigational views on the same domain while perspectives in HDM are focused on different representations of the same information. Figure [1.5] HDM primitives and link types HDM provides different types of links to ....

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Schwabe, D. (1995). "The Object-Oriented Hypermedia Design Model." Communications of the ACM 38(8): 45-46.

....on these aspects of the development cycle. The topic of designing Web sites is hardly new. Early hypertext systems design evolved into methods and models for designing hypermedia and web applications. The best known of these are RMM [Isakowitz et al. 1995] HDM [Garzotto et al. 1993] and OOHDM [Schwabe and Rossi 1995] but others exist. Our approach starts from the (web specific) method WSDM [De Troyer and Leune 1998] and adds user requirements as a finer level of design granularity. We use the sample problem to illustrate how this granularity influences the User Modeling and Conceptual Design phases of WSDM. ....

Schwabe, D. and Rossi, G. 1995. The object-oriented hypermedia design model. Communications of the ACM 38, 8 (Aug), 45--46.

.... modelling, design of document management systems, design of integrated circuits, design in the field of computer telephony integration (CTI) During the last years a lot of special purpose modelling approaches have emerged in those fields (for instance: Fra97] Fra94] IsSt95] Oul95] [Sch95], Tay95] While they usually require specialized concepts, many of them are closely interrelated with object oriented modelling. For instance: Modelling a business process usually requires to refer to information specified within an object model. In order to foster integration, it is helpful to ....

Schwabe, D., Ross, G.: The Object-Oriented Hypermedia Design Model. In: Communications of the ACM, Vol. 38, No. 8, 1995, pp. 45-48

....Software Development Process shows the major focus of RMM within the context of the entire development process. Moreover RMM s claimed focus is support for the design process , but this support is only within the context of a specific data model. OOHDM (Object Oriented Hypermedia Design Model [20]) and EORM (Enhanced Object Relationship Model [13] are similar to RMM in that the process is defined implicitly by a methodology. As with RMM, OOHDM and EORM justify the phases or stages in the process, but not the process itself (including aspects such as the flow through phases and ....

Schwabe, D. & Rossi, G. "The Object-Oriented Hypermedia Design Model", Communications of the ACM, August 1995, Vol. 38, No. 8, p45-46

....and give some guidelines for the future work. 2. A Systematic Process for Querying Hypermedia Applications. In order to perform queries on a hypermedia application, we need a scheme describing the involved information. To define this scheme, we have based our work on the OOHDM methodology [Schwabe95], Schwabe96] this methodology comprises four activities to design a hypermedia application, namely: Conceptual Modeling, Navigation Design, Abstract Interface Design and Implementation. In each activity a design model is obtained. We have used the two firsts of these models (Conceptual and ....

Schwabe D.. Rossi G.. "An Object Oriented Hypermedia Design Model." , 1995, Communication of ACM, Vol. 38 N 8, pp 45-46.

....of the ACM [16] The Dexter model describes an architecture that is more powerful in some areas than any hypermedia system that exists today. However, the model is showing its age in other areas. This has resulted in some newer proposals for models like the Tower model [11] HDM [13] and OOHDM [23]. However, the Dexter model remains by far the most widely used reference model, which is still suited for modeling most kinds of hypermedia applications. This is also why we use Dexter as the basis in this paper. In recent years a number of adaptive hypermedia systems (AHS) have been developed ....

D. Schwabe, G. Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, Vol. 38, nr. 8, pp. 45--46, 1995.

....nal result of such a design is HTML (XML) code, clearly a more abstract (graphical) model is helpful. A di erent structured approach to the hypermedia design has been described by Gaulding and Katz [5] while Object Oriented methodologies have been studied by Lange [9] and by Schwabe and Rossi [10]. In this abstract we focus on the RMM approach. More precisely, we consider its data and navigation model, that is the formalism used to represent the data, their relationships and the navigation structure. In order to simplify the terminology, in the following we will identify such a formalism ....

D. Schwabe and G. Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 38(8): 45-46. 1995. 6

....models and techniques for hypermedia applications. One area that has been at least partially overlooked is the process by which hypermedia applications can or should be developed. The work that has been carried out such as work on design models (e.g. HDM [3] and methods (e.g. RMM [5] and OOHDM [11]) has tended to either assume a predefined process with little consideration of how the process can best be adapted to suit a particular problem, or has provided guidance on individual stages of development but not shown how these stages integrate into an overall cohesive pattern. As an ....

Schwabe, D. & Rossi, G. "The Object-Oriented Hypermedia Design Model", Communications of the ACM, August 1995, Vol. 38, No. 8, p45-46

.... for example the Dexter Hypertext Reference Model (Gronbaek and Trigg 1994; Halasz and Schwartz 1990, 1994; Hardman, Bulterman and Van Rossum 1994; Legett and Schnase 1994) the Hypermedia Design Model (Garzotto, Mainetti and Paolini 1993, 1995) the Object Oriented Hypermedia Design Model (Schwabe and Rossi 1995), or the Hypertext Abstract Machine (Campbell and Goodman 1988) Unfortunately, the World Wide Web and its HTML documents do not feature all of the functionality of these hypertext systems and, therefore, do not allow for a perfect fit with WWW based applications. Research on the process of ....

Schwabe, D., and Rossi, G. "The Object-Oriented Hypermedia Design Model," Communications of the ACM (38:8), August 1995, pp. 45-46.

....objects and applications. The data model introduced in [7] is inteded to structure time series data and is coupled with an object oriented database system and a visual querying language. Another focus of research has been the modeling of navigation in the context of hypermedia systems, e.g. OOHDM [22] and RMM [13] One of the most eminent shortcomings of all these approaches is that they are focussed on special aspects of multimedia systems and do not offer facilities to model all important aspects of a multimedia system in an integrated, consistent, and coherent way. Therefore, they are not ....

D. Schwabe and G. Rossi, The object-oriented hypermedia design model, Communications of the ACM, 38(8):45-46, 1995.

....role of domain analysis in the construction of the language we use, and of supporting tools maintaining a platform independent way of representation. The Relationship Management Methodology (RMM) ISB95] Hypertext Design Model (HDM) GPS93] and Object Oriented Hypermedia Design Model (OOHDM) SR95] are used for hypermedia or multimedia applications in those areas that display a high degree of domain structure. Nanard et al. discuss in [FNN96] their SGML based authoring system PageJockey and present the process between sketches, templates, and nal releases of multimedia applications ....

....way [MF96, It is not clear in how far their method could be supported by a development environment, because the transformation process of media formally described in the model is not fully operational. 4 The Formal Structure of Multimedia Applications In the methodologies [ISB95, GPS93, SR95] quoted above the structure of the presentation is derived from the structure of the application s domain or content. This is just one point in a spectrum: the pronounced structuring of a domain induces a formal system structure that can be handled with comparable ease. Figure 1 indicates that ....

Daniel Schwabe and Gustavo Rossi. The object-oriented hypermedia design model. Communications of the ACM, 38(8):45-46, August 1995.

....7] In recent times, some proposals have emerged for a systematic design of hypermedia applications. The first proposal has been HDM [8] based on a semantic model of information in the application and the study of navigational patterns. HDM has been developed in subsequent approaches, e.g. OOHDM [11], based on an object oriented approach to multimedia applications design and RMM, starting from entity relationship schemas in the first design phases. All these approaches focus on the data to be presented, and on establishing links between data for navigational and presentation purposes. The ....

Schwabe, D. and Rossi, G., The object-oriented hypermedia design model, Communications of the ACM, August 1995. This article was processed using the L a T E X macro package with LLNCS style

....structure should be carefully designed in order to provide a page organization to be effectively browsed by the users. Clearly, a careful design needs to properly coodinate this two aspects. To support the process of designing these large, data intensive Web sites, several methodologies (e.g. [18, 22, 28]) have been recently proposed in the context of hypermedia design. These methodologies represent a first step towards the solution of the problem. They provide specific data models and methodological steps to assist in the process of designing a hypermedia application. However, we believe that the ....

....references, enforcing consistency even in the presence of restructurings. This paper presents the Araneus Web Design Methodology, a thorough and systematic design process to organize and maintain large amounts of data in a Web hypertext. Our approach builds on known hypermedia design methodologies [18, 22, 28], and extends them in several ways, in order to automate the implementation and maintenance of the site and to allow for integration or interaction with other information systems. In fact, although many ideas developed in this paper can be considered of general applicability, we mainly focus on ....

[Article contains additional citation context not shown here]

D. Schwabe and G. Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 58(8):45--46, August 1995.

....typical Web clients. The CGI scripts would convert Microcosm requests to HTML browsable files. In all these cases, the information does not reside on a database. 2 Database support for WWW development Hypermedia design methodologies, such as Object Oriented Hypermedia Design Methodology (OOHDM) [14] and Relationship Management Methodology (RRM) 10] stress the separation of information content from its presentation. Both methodologies propose that a hypermedia system should be developed in three stages: a description of the information it will contain; a description of how such information ....

Daniel Schwabe and Gustavo Rossi. The object-oriented hypermedia design model. Communications of the ACM, 38(8):45--46, August 1995.

....structure of a complex domain and make it accessible to end users. Recent literature shows that there are emerging some prescriptive methods for the development of multimedia (hypermedia) applications. For examples, Hypermedia Design Model (HDM) 3] and Object Oriented Hypermedia Design (OOHDM) [6] emphasise the importance of navigation design (e.g. guided tours and collection links) and encourage the use of abstract interface for reinforcing coherence of presentation; Relationship Management Methodology (RMM) 4] stresses relational data modelling of the domain using the ....

Schwabe, D. and Rossi, G. The object-oriented hypermedia design model. Communications of the ACM, 38, 8 (August 1995), 45-46.

....a proper design method could help solve some of these problems. A number E 52 of researchers have already recognized the lack of a design method for websites, or E 52 more in general for web based information systems, and have proposed methods: E 52 HDM [7] and its successors HDM2 [6] and OOHDM [13], RMM [9] W3DT [17] the E 52 method for analysis and design of websites in [15] SOHDM [10] Older methods E 52 (HDM, OOHDM, RMM) were originally designed for hypertext or hypermedia applications E 52 and do not deal comfortably with web specific issues. In addition, these methods E 52 are ....

D. Schwabe, G. Rossi, The Object-Oriented Hypermedia Design Model, Communications<E-51> of the ACM, Vol 38, No 8, 1995.<E-232>

....hence maximum size of any one hypertext. Secondly a fixity or resistance to change of content and of reader perceived structure, once published, of a similar magnitude to the book a technology that hypertext is supposed to largely supplant. From an object oriented (OO) viewpoint (Wu et al. 1995, Schwabe Rossi 1995), an object seen by an author and the object seen by a reader are quite different and that neither maps cleanly onto the node link model espoused by the literature (particularly see the Dexter model in CACM (1994) From this comes the idea of an author shaped unit of hypertext that gradually ....

Schwabe, D. & Rossi, G. (1995). The object-oriented hypermedia design model. Communications of the ACM.

....given the scenario REQUEST A NEW PASSPORT we could define a view that is useful for a user, another view for a software engineer, and so on. Each view defines a hypertext node and the set of nodes and links define the hypertext. This approach is now usual in modern hypermedia design approaches [20] [21] and allows us, for example, to concentrate all information we want from an scenario in a composite node containing: Title, Goal, Context, and Resources as attributes 48 is bounded by I Ink Actor Fingerlnt Cabin(led I Fingeq3dnt Cabin dek takes dlizen s CgJzen gives the ....

D. Schwabe, G. Rossi, The Object-Oriented Hypermedia Design Model, Communications o/the ACM, VOl 38 (8), August 1995, pp45-46.

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D. Schwabe and G. Rossi:, "The Object Oriented Hypermedia Design Model", Comm. of the ACM, Vol. 38, #8, pp45-46 Aug. 1995. (available at <http://irss.njit.edu:5080/cgibin /bin/option.csh?sidebars/schwabe.html>).

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D. Schwabe and G. Rossi:, "The Object Oriented Hypermedia Design Model", Comm. of the ACM, Vol. 38, #8, pp45-46 Aug. 1995. (available at <http://irss.njit.edu:5080/cgi-bin/bin/option.csh?sidebars/schwabe.html>).

....incremental, iterative and prototyped based development style, as discussed in [Nanard 95] During each activity, except for the last one (implementation) a set of objectoriented models describing particular design concerns are built or enriched from previous iterations. In Figure 6, taken from [Schwabe 95b] we summarize OOHDM activities, and modeling approaches. Steps Products Mechanisms Design Concerns Conceptual Design Classes, sub systems, relationships, attribute perspectives Classification, composition, generalization and specialization Modeling the semantics of the application domain ....

....navigation and perceptible objects Modeling perceptible objects, implementing chosen metaphors. Describe interface for navigational objects Implementation Running application Those provided by the target environment Performance, completeness Figure 6. Summary of the OOHDM Method (taken from [Schwabe 95b] 2.1 Conceptual Design During Conceptual Design a model of the application domain is built using well known object oriented modeling principles (OMT, Rumbaugh 91] augmented with some primitives such as attribute perspectives and subsystems. Conceptual classes may be built using aggregation ....

[Article contains additional citation context not shown here]

D. Schwabe and G. Rossi:, "The Object Oriented Hypermedia Design Model", Comm. of the ACM, Vol. 38, #8, Aug. 1995. (available at <http://irss.njit.edu:5080/cgibin /bin/option.csh?sidebars/schwabe.html>).

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Schwabe D, Rossi G. The object-oriented hypermedia design model. Communications of the ACM 1995; 38(8):45--46.

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D. Schwabe and G. Rossi. The object-oriented hypermedia design model. Communications of the ACM, 38(8):45-6, August 1995.

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D. Schwabe and G. Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 38(8):45--6, August 1995.

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Schwabe, D. and Rossi, G.: The Object Oriented Hypermedia Design Model, Communication of the ACM, Vol. 38, #8, Aug. 1995.

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D. Schwabe & G. Rossi, The object-oriented hypermedia design model, Communications of the ACM 38(8), 1995, 45-46.

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D. Schwabe and G. Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 38(8):45--6, August 1995.

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D. Schwabe and G. Rossi, "The object-oriented hypermedia design model", Commun. ACM 38(8) (1995) 45--46.

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D. Schwabe and G. Rossi, The object-oriented hypermedia design model, Communications of the ACM, 38(8):45-46, 1995.

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Schwabe, D., Rossi, G.: The object-oriented hypermedia design model. Communications of the ACM 38, 8, 45-46

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Schwabe, D. and Rossi, G., The Object-Oriented Hypermedia Design Model, Communications of the ACM, Vol. 38, No. 8, p. 45-46, August 1995

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Daniel Schwabe and Gustavo Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 38(8):45--46, 1993.

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Daniel Schwabe and Gustavo Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 38(8):45--6, August 1995.

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Schwabe D. and Rossi G.: The Object-Oriented Hypermedia Design Model. Communication of the ACM, vol. 58 no. 8, 1995.

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Schwabe, D., Rossi, G., "The Object-Oriented Hypermedia Design Model". CACM 38(8): 45-46, 1995.

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SR95. D. Schwabe, G. Rossi. The Object-Oriented Hypermedia Design Model. Communications of the ACM, 38:8, pp. 45--46, 1995.

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