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A stochastic graph grammar for compositional object representation and recognition
Pattern Recognition, 2009This paper illustrates a hierarchical generative model for representing and recognizing compositional object categories with large intra-category variance. In this model, objects are broken into their constituent parts and the variability of configurations and relationships between these parts are modeled by stochastic attribute graph grammars, which ...
Zijian Xu +3 more
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Atlas: Grammar-based Procedural Generation of Data Visualizations
Visual .., 2021We present Atlas, a procedural grammar for constructing data visualizations. Unlike most visualization grammars which use declarative specifications to describe visualization components, Atlas exposes the generative process of a visualization through a ...
Zhicheng Liu +3 more
semanticscholar +1 more source
From object algebras to attribute grammars [PDF]
ACM SIGPLAN Notices, 2014 Oliveira and Cook (2012) and Oliveira et al. (2013) have recently introduced object algebras as a program structuring technique to improve the modularity and extensibility of programs. We analyze the relationship between object algebras and attribute grammars (AGs), a formalism to augment context-free grammars with attributes.
Rendel, Tillmann +2 more
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Objective evaluation of inferred context-free grammars [PDF]
Proceedings of ANZIIS '94 - Australian New Zealnd Intelligent Information Systems Conference, 2002 An infinite number of context-free grammars may be inferred from a given training set. The defensibility of any single grammar hinges on the ability to compare that grammar against others in a meaningful way. In keeping with the minimum description length principle, smaller grammars are preferred over larger ones, but only insofar as the small grammar ...
S. Legg +3 more
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Processing Learning Objects with Attribute Grammars
2009 Ninth IEEE International Conference on Advanced Learning Technologies, 2009The services provided by learning object repositories are usually enabled by the processing of the metadata documents associated with these learning objects. This paper proposes a way to process these metadata documents, which are usually encoded in XML, through a framework called XLOP.
Antonio Sarasa-Cabezuelo +2 more
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Towards Interpretable Object Detection by Unfolding Latent Structures
IEEE International Conference on Computer Vision, 2019This paper first proposes a method of formulating model interpretability in visual understanding tasks based on the idea of unfolding latent structures. It then presents a case study in object detection using popular two-stage region-based convolutional ...
Tianfu Wu, Xi Song
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Object-orientation in attribute grammars [PDF]
, 1991 Object-orientation is a language design and programming paradigm aiming at better structuring, reusing, and maintaining properties of software. This paradigm has been successfully combined with conventional programming languages, as well as with functional and logic programming languages; it seems obvious that object-orientation has come to stay ...
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Child heritage speakers’ production and comprehension of direct object clitic gender in Spanish
Linguistic Approaches to Bilingualism, 2019This study investigates 37 child heritage speakers’ direct object (DO) clitics in Spanish. Results from a production task show that DO expression versus omission was related to Spanish vocabulary: the lower the vocabulary score, the more omitted DOs. In
Naomi L. Shin +3 more
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EFFECTS OF EXTERNAL AND INTERNAL ATTENTIONAL MANIPULATIONS ON SECOND LANGUAGE GRAMMAR DEVELOPMENT
Studies in Second Language Acquisition, 2018The role of attention has been central to theoretical and empirical inquiries in second language (L2) acquisition. The current eye-tracking study examined how external and internal attentional manipulations (Chun, Golomb, &Turk-Browne, 2011) promote L2 ...
B. Issa, K. Morgan‐Short
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Verifying Object-based Graph Grammars
Software & Systems Modeling, 2006The development of concurrent and reactive systems is gaining importance since they are well-suited to modern computing platforms, such as the Internet. However, the development of correct concurrent and reactive systems is a non-trivial task. Object-based graph grammar (OBGG) is a visual formal language suitable for the specification of this class of ...
Leila Ribeiro +3 more
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