Constraint cascading style sheets for the Web

Badros, Greg J.; Borning, Alan; Marriott, Kim; Stuckey, Peter J.

doi:10.1145/320719.322588

Cited by 56 publications

(40 citation statements)

References 12 publications

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“…Several challenges to 1 The Portability Evaluator is the person on a web application development team responsible for conducting portability analysis. In some instances, the developer and the portability evaluator may be one in the same.…”

Section: Challenges In Attaining and Applying Source Support Knowledgementioning

confidence: 99%

“…CSS notation was originally introduced by the W3C to promote a cleaner separation between document structure and appearance than HTML and provide developers greater control over web page appearance [43,1]. CSS rules are distinguished in source code by opening and closing braces (i.e., { and }) and consist of selectors, rules, and values.…”

Section: Cssmentioning

confidence: 99%

“…That is, each client configuration supports only a portion of the universal tag/rule 1 In the definition that follows, the term support(x, y) indicates that x supports y.…”

Section: Definition 1: Html and Css Tag Supportmentioning

confidence: 99%

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A Framework for Detecting and Diagnosing Configuration Faults in Web Applications

Memon

Eaton

2012

Advances in Computers

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Software portability is a key concern when target operational environments are highly configurable; variations in configuration settings can significantly impact software correctness. While portability is key for a wide range of software types, it is a significant challenge in web application development. The client configuration used to navigate and interact with web content is known to be an important factor in the subsequent quality of deployed web applications. With the widespread use of diverse, heterogeneous web client configurations, the results of web application deployment can vary unpredictably among users. Given existing approaches and limited development resources, attempting to develop web applications that are viewable, functional, and portable for the vast web configuration space is a significant undertaking. As a result, faults that only surface in precise configurations, termed configuration faults, have the potential to escape detection until web applications are fielded.This dissertation presents an automated, model-based framework that uses static analysis to detect and diagnose web configuration faults. This approach overcomes the limitations of current techniques by featuring an extensible model of the configuration space that enables efficient portability analysis across the vast array of client environments. The basic idea behind this approach is that source code fragments (i.e., HTML tags and CSS rules) embedded in web application source code adversely impact portability of web applications when they are unsupported in target client configurations; without proper support, the source code is either processed incorrectly or ignored, resulting in configuration faults. Using static analysis, configuration fault detection is performed by applying a model of the web application source against knowledge of support criteria; any unsupported source code detected is considered an index to potential configuration faults. In the effort to fully exploit this approach, improve practicality, and maximize fault detection efficiency, manual and automated approaches to knowledge acquisition have been implemented, variations of web application and client support knowledge models have been investigated, and visualization of configuration fault detection results has been explored. To optimize the automated acquisition of support knowledge, alternate learning strategies have been empirically investigated and provisions for capturing tag interaction have been integrated into the process.

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Section: Challenges In Attaining and Applying Source Support Knowledgementioning

confidence: 99%

Section: Cssmentioning

confidence: 99%

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A Framework for Detecting and Diagnosing Configuration Faults in Web Applications

Memon

Eaton

2012

Advances in Computers

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“…These layout constraints are captured by the following 5 equalities and inequalities: (1) states that the page width, P W , is the sum of the widths of the left, middle and right gutters LG, M G, and RG, and the two columns, CW 1 and CW 2 . Constraint (2) states that the two columns have equal width; (3) states that the left and right gutters are equal and are 1/20 of the width of the columns; (4) states that the middle gutter is of fixed size (0.7 cm); (5) states that the x value of the midpoint of Figure A is at the center of the first column; (6) states that Figure B is centered in the second column; while the last equality (7) enforces that the two figures are horizontally aligned. The inequalities (8) and (9) enforce that the columns are wide enough for Figures A and B.…”

Section: Constraint-based Page Layoutmentioning

confidence: 99%

Constraint-based document layout for the Web

2000

Self Cite

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Constraints can be used to specify declaratively the desired layout of a web document. We present a system architecture in which both the author and the viewer can impose page layout constraints, some required and some preferential.The final appearance of the web page is thus the result of negotiation between author and viewer, where this negotiation is carried out by solving the set of required and preferential constraints imposed by both parties. We identify two * An earlier version of this paper entitled "Constraints for the Web" appeared in the Pro- 1 plausible system architectures, based on different ways of dividing the work of constraint solving between web server and web client. We describe a prototype constraint-based web authoring system and viewing tool that provides linear arithmetic constraints for specifying the layout of the document as well as finite domain constraints for specifying font size relationships. Finally, we provide an empirical evaluation of the prototype.

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“…To copy otherwise, to republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. and CCSS [8] for spatial formatting and Isis [12] and Madeus [13] for temporal formatting. These systems are useful for instance to compute global properties, but unfortunately remain limited.…”

Section: Introductionmentioning

confidence: 99%

Improving formatting documents by coupling formatting systems

Boulmaiz¹,

Roisin²,

Bes³

2003

Proceedings of the 2003 ACM Symposium on Document Engineering - DocEng '03

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In this paper, we present a framework for coupling an existing formatting system such as SMIL [7] and Madeus [13] with a formatting control system XEF [10]. This framework allows the coupling process to be performed at two levels: 1) the language level, which is concerned with how to link the control features of XEF and the elements of an existing formatting system, and 2) the formatter level, which deals with the creation of a new formatter by formatter composition. The overall objective is to provide more powerful and flexible formatting services to cover new needs such adaptive and/or generated presentations.

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Constraint cascading style sheets for the Web

Cited by 56 publications

References 12 publications

A Framework for Detecting and Diagnosing Configuration Faults in Web Applications

A Framework for Detecting and Diagnosing Configuration Faults in Web Applications

Constraint-based document layout for the Web

Improving formatting documents by coupling formatting systems

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