Using prototypical objects to implement shared behavior in object-oriented systems

Lieberman, Henry

doi:10.1145/28697.28718

Cited by 269 publications

(56 citation statements)

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“…Since Lieberman and Stein's work of the mid-1980s [Lie86,Ste87], delegation has been seen as, more-or-less, an object-based version of inheritance [LSU87]. In delegation, one or more of the fields of an object r can refer to a delegate object; these fields are often called "parent" fields, following Self [CUCH91].…”

Section: Delegationmentioning

confidence: 99%

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Grace's Inheritance.

Noble¹,

Black²,

Bruce³

et al. 2017

JOT

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This article is an apologia for the design of inheritance in the Grace educational programming language: it explains how the design of Grace's inheritance draws from inheritance mechanisms in predecessor languages, and defends that design as the best of the available alternatives. For simplicity, Grace objects are generated from object constructors, like those of Emerald, Lua, and Javascript; for familiarity, the language also provides classes and inheritance, like Simula, Smalltalk and Java. The design question we address is whether or not object constructors can provide an inheritance semantics similar to classes.

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Section: Delegationmentioning

confidence: 99%

“…The complexity of Smalltalk's meta-model inspired Lieberman to propose languages based purely on objects, with delegation as the sharing mechanism [Lie86]. This led to a general interest in "prototype-based" programming languages.…”

Section: Instantiable Traitsmentioning

confidence: 99%

Grace's Inheritance.

Noble¹,

Black²,

Bruce³

et al. 2017

JOT

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show abstract

“…In the context of object-orientation, a radical (Carnapian) re-explication that rejected object classes and their inheritance, replacing them with prototype objects and delegation, was discussed by Borning [8] and Lieberman [57]. Both papers are clearly concept analyses and offer strong arguments in support of the central claims.…”

Section: There Are Two Main Variantsmentioning

confidence: 99%

Concept analysis in programming language research: done well it is all right

Kaijanaho

2017

Proceedings of the 2017 ACM SIGPLAN International Symposium on New Ideas, New Paradigms, and Reflections on Programming and Sof

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Programming language research is becoming method conscious. Rigorous mathematical or empirical evaluation is often demanded, which is a good thing. However, I argue in this essay that concept analysis is a legitimate research approach in programming languages, with important limitations. It can be used to sharpen vague concepts, and to expose distinctions that have previously been overlooked, but it does not demonstrate the superiority of one language design over another. Arguments and counter-arguments are essential to successful concept analysis, and such thoughtful conversations should be published more.

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“…Our discussion of inheritance is based on the work by Lieberman [17], Cook et al [5], de la Rocque Rodriguez [25], and Taivalsaari [26]. The combination of these works provides a wide overview of different forms of inheritance.…”

Section: Inheritancementioning

confidence: 99%

Knowledge Representation on the Web Revisited: The Case for Prototypes

Cochez

Decker

Prud’hommeaux³

2016

Lecture Notes in Computer Science

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Abstract. Recently, RDF and OWL have become the most common knowledge representation languages in use on the Web, propelled by the recommendation of the W3C. In this paper we examine an alternative way to represent knowledge based on Prototypes. This Prototype-based representation has different properties, which we argue to be more suitable for data sharing and reuse on the Web. Prototypes avoid the distinction between classes and instances and provide a means for object-based data sharing and reuse. In this paper we discuss the requirements and design principles for Knowledge Representation based on Prototypes on the Web, after which we propose a formal syntax and semantics. We further show how to embed knowledge representation based on Prototypes in the current Semantic Web stack and report on an implementation and practical evaluation of the system.

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Using prototypical objects to implement shared behavior in object-oriented systems

Cited by 269 publications

References 0 publications

Grace's Inheritance.

Grace's Inheritance.

Concept analysis in programming language research: done well it is all right

Knowledge Representation on the Web Revisited: The Case for Prototypes

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