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 Gennaro Costagliola

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Average citations per article4.24
Citation Count335
Publication count79
Publication years1990-2016
Available for download11
Average downloads per article740.27
Downloads (cumulative)8,143
Downloads (12 Months)147
Downloads (6 Weeks)22
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79 results found Export Results: bibtexendnoteacmrefcsv

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1
April 2016 CSEDU 2016: Proceedings of the 8th International Conference on Computer Supported Education
Publisher: SCITEPRESS - Science and Technology Publications, Lda
Bibliometrics:
Citation Count: 0

We present a software system aimed at providing support to the management of processes for the self evaluation of the quality of degree programmes. The system was developed for quality management at the University of Salerno, Italy. Its main functionalities include: monitoring of the process status, scheduling of meetings, document ...
Keywords: Alfresco., Processes, Quality in Education, Teaching evaluation

2
December 2015 Journal of Visual Languages and Computing: Volume 31 Issue PB, December 2015
Publisher: Academic Press, Inc.
Bibliometrics:
Citation Count: 1

In this paper we present a framework for the fast prototyping of visual languages exploiting their local context based specification.In previous research, the local context specification has been used as a weak form of syntactic specification to define when visual sentences are well formed. In this paper we add new ...
Keywords: Visual languages, Local context, Visual language syntax specifications.

3
December 2015 Journal of Visual Languages and Computing: Volume 31 Issue PA, December 2015
Publisher: Academic Press, Inc.
Bibliometrics:
Citation Count: 0


4 published by ACM
April 2015 CHI '15: Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 8,   Downloads (12 Months): 42,   Downloads (Overall): 277

Full text available: PDFPDF
We present a novel gesture recognizer suitable for fast prototyping of gesture-based applications. The recognizer uses a nearest neighbor approach, and requires a small number of samples for each class. The similarity between two gestures is calculated through a three steps procedure: firstly, each gesture is approximated to a polyline, ...
Keywords: gesture recognition, gesture-based interaction, polyrec, unistroke gestures

5
December 2014 Journal of Visual Languages and Computing: Volume 25 Issue 6, December 2014
Publisher: Academic Press, Inc.
Bibliometrics:
Citation Count: 0

New trust, reputation and recommendation (TRR) models are continuously proposed. However, the existing models lack shared bases and goals. For this reason, in this work we define an innovative meta model to facilitate the definition and standardization of a generic TRR model. Following the meta model, researchers in the field ...
Keywords: Malicious attacks, Meta model, Homogeneous trust information, Context/role sensitivity, Main features of trust, Trust, reputation and recommendation model

6
December 2014 Journal of Visual Languages and Computing: Volume 25 Issue 6, December 2014
Publisher: Academic Press, Inc.
Bibliometrics:
Citation Count: 1

We present a new methodology aimed at the design and implementation of a framework for sketch recognition enabling the recognition and interpretation of diagrams. The diagrams may contain different types of sketched graphic elements such as symbols, connectors, and text. Once symbols are distinguished from connectors and identified, the recognition ...
Keywords: Sketch recognition, Visual languages, Local context, Methodology, Framework, Multi-domain

7
April 2014 Computers and Graphics: Volume 39, April, 2014
Publisher: Pergamon Press, Inc.
Bibliometrics:
Citation Count: 6

We present an approach for recognizing multi-stroke hand-drawn symbols. The main feature of the approach is its capacity of recognizing partially drawn symbols. Furthermore, it is invariant with respect to scale, and supports symbol recognition independently from the number and order of strokes. The recognition technique is based on subgraph ...
Keywords: Sketch recognition, Symbol autocompletion, Symbol recognition, Interface, Partial symbol recognition

8
October 2013 SMC '13: Proceedings of the 2013 IEEE International Conference on Systems, Man, and Cybernetics
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 2

Auto completion has proven effective in various text-based applications. Conversely, no experiments have been carried out on the automatic completion of hand-drawn symbols and only a few systems have been presented in the literature for this purpose. Nevertheless, such a feature might be useful in different domains, e.g. for accelerating ...
Keywords: Symbol recognition, symbol autocompletion, sketch, interface

9 published by ACM
August 2013 VINCI '13: Proceedings of the 6th International Symposium on Visual Information Communication and Interaction
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 1,   Downloads (12 Months): 9,   Downloads (Overall): 69

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Euler diagrams (EDs) are a popular means of visualizing set-based relationships. We describe the advancement of EulerSketch, based on a novel encoding of EDs. In particular, EulerSketch allows a user to sketch and interact with EDs and automatically produce a code representation for them. It also enables code storage and ...
Keywords: Euler diagrams, diagram encoding

10 published by ACM
August 2013 VINCI '13: Proceedings of the 6th International Symposium on Visual Information Communication and Interaction
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 1,   Downloads (12 Months): 9,   Downloads (Overall): 87

Full text available: PDFPDF
In recent years there has been a growth in size and complexity of the projects managed by public or private organizations. This leads to increased probability of project failures, frequently due to the difficulty and the ability to achieve the objectives such as on-time delivery, cost containment, expected quality achievement. ...
Keywords: 3D radar charts, information visualization, multi-dimensional data, spatial-temporal data, controversy resolution, project management, visual analytics

11
August 2013 Journal of Visual Languages and Computing: Volume 24 Issue 4, August, 2013
Publisher: Academic Press, Inc.
Bibliometrics:
Citation Count: 2

Most of the recently proposed text entry methods for touch screen devices are stroke-based: the traditional tapping interaction is being replaced with a more natural gesture, performed through a pointer (pen or finger) on a soft keyboard. These methods need an effective technique to interpret user strokes, in order to ...
Keywords: KeyScretch, Menu, Stroke recognition, Text entry, Soft keyboard

12
July 2011 IV '11: Proceedings of the 2011 15th International Conference on Information Visualisation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 2

Although textual interfaces for browsing scientific papers have several drawbacks, they are still the most used in digital libraries. Several visual approaches have been proposed in recent years in order to provide the user with a deeper insight of the search context and to allow him/her to quickly gather a ...
Keywords: CyBiS, Cylindrical Biplot System, paper search, visualization, 3D

13 published by ACM
February 2011 IUI '11: Proceedings of the 16th international conference on Intelligent user interfaces
Publisher: ACM
Bibliometrics:
Citation Count: 5
Downloads (6 Weeks): 2,   Downloads (12 Months): 25,   Downloads (Overall): 431

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KeyScretch is a recently proposed text entry method which makes use of gestures to input frequent word chunks on a menu-augmented soft keyboard. Each gesture is initiated on a key and is driven by the key surrounding menu. In this paper we present the performance of an instance of the ...
Keywords: keyscretch, menu, soft keyboard, text entry

14
April 2010 Journal of Visual Languages and Computing: Volume 21 Issue 2, April, 2010
Publisher: Academic Press, Inc.
Bibliometrics:
Citation Count: 0


15
September 2009 VLHCC '09: Proceedings of the 2009 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC)
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 0

In this paper we present a visual system for the analysis of user behaviour during the execution of Web tasks based on visual data mining techniques. In particular, our system presents a suite of charts providing views of user behaviour starting from the well known clickstream visualization down to single ...

16
June 2009 ICWE '9: Proceedings of the 9th International Conference on Web Engineering
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 1

This paper presents an approach for monitoring several important aspects related to user behaviour during the execution of Web tasks. The approach includes the tracking of user interactions with the Web site and exploits visual data mining to highlight important information regarding Web application usage. In particular, our approach intends ...

17
June 2009 IEEE Transactions on Knowledge and Data Engineering: Volume 21 Issue 6, June 2009
Publisher: IEEE Educational Activities Department
Bibliometrics:
Citation Count: 3

We present an approach and a system to let tutors monitor several important aspects related to online tests, such as learner behavior and test quality. The approach includes the logging of important data related to learner interaction with the system during the execution of online tests and exploits data visualization ...
Keywords: data visualization, Data and knowledge visualization, Distance learning, Distance learning, data visualization, interactive data exploration and knowledge discovery., interactive data exploration and knowledge discovery.

18
December 2008 Journal of Visual Languages and Computing: Volume 19 Issue 6, December, 2008
Publisher: Academic Press, Inc.
Bibliometrics:
Citation Count: 2

In this paper, we present a usability study aiming at assessing a visual language-based tool for developing adaptive e-learning processes. The tool implements the adaptive self-consistent learning object SET (ASCLO-S) visual language, a special case of flow diagrams, to be used by instructional designers to define classes of learners through ...
Keywords: Adaptive learning processes, e-Learning, Usability survey, Visual languages, Effort estimation

19
April 2008 Journal of Visual Languages and Computing: Volume 19 Issue 2, April, 2008
Publisher: Academic Press, Inc.
Bibliometrics:
Citation Count: 14

Recognizing hand-sketched symbols is a definitely complex problem. The input drawings are often intrinsically ambiguous, and require context to be interpreted in a correct way. Many existing sketch recognition systems avoid this problem by recognizing single segments or simple geometric shapes in a stroke. However, for a recognition system to ...
Keywords: Visual language parsing, Diagram recognition, Agent-based systems, Sketch understanding

20
April 2008 Graphics Recognition. Recent Advances and New Opportunities: 7th International Workshop, GREC 2007, Curitiba, Brazil, September 20-21, 2007. Selected Papers
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 0

Sketching is an activity that produces informal documents containing hand-drawn shapes highly variable and ambiguous. In this paper we present a diagrammatic sketch recognizer that is able to cope with the recognition of in-accurate hand-drawn symbols by exploiting error recovery techniques as developed for programming language compilers. The error recovery ...
Keywords: LR parsing, Sketch Recognition, Error Recovery



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