icalt author community

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Lehrstuhl Informatik 5 (Informationss ysteme) Prof. Dr. M. I5-MD-080711-1 www.telmap. org Michael Derntl derntl@dbis .rwth- aachen.de http://is.gd/icaltcommunity The ICALT Author Community Michael Derntl Information Systems & Databases RWTH Aachen University, Germany [email protected] Powered by AERCS – thanks Manh Cuong Pham! http ://bosch.informatik.rwth-aachen.de:5080/AERCS / www.learningfrontiers.eu

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Page 1: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-1

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

The ICALT Author Community

Michael DerntlInformation Systems & Databases

RWTH Aachen University, [email protected]

Powered by AERCS – thanks Manh Cuong Pham! http://bosch.informatik.rwth-aachen.de:5080/AERCS/

www.learningfrontiers.eu

Page 2: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-2

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

2001Madison, US

Page 3: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-3

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

2003Athens, Greece

Page 4: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-4

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

2004Joensuu, Finland

Page 5: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-5

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

2005Kaohsiung, Taiwan

Page 6: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-6

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

2006Kerkrade, The Netherlands

Page 7: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-7

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

2007Niigata, Japan

Page 8: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-8

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

2008Santander, Spain

Page 9: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-9

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

2009Riga, Latvia

Page 10: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-10

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

2010Sousse, Tunisia

Page 11: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-11

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

10th

9th

5th event

Page 12: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-12

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Top authors

# Authors9 Kinshuk, Demetrios G. Sampson, Nian-Shing Chen

8 Dragan Gasevic, Luis E. Anido-Rifón, Urko Rueda, Ana Arruarte Lasa, Erkki Sutinen, Ignacio Aedo

7Paloma Díaz, Juan Manuel Dodero, Hiroshi Matsuda, Maiga Chang, Maria Satratzemi, Imran A. Zualkernan, Paloma Díaz-Pérez, Manuel Caeiro Rodríguez, Martín Llamas Nistal, Toshio Okamoto, Manuel Caeiro, Alexei Tretiakov, Chien-Sing Lee, Yoshiaki Shindo, Maomi Ueno, Heinz Ulrich Hoppe, James Ohene-Djan, Maya Satratzemi

6Lester Gilbert, Marcelo Milrad, Jorge Torres, Baw-Jhiune Liu, Jia-Sheng Heh, Shelley Shwu-Ching Young, Gary B. Wills, Roger Hartley, Andreas Harrer, Gwo-Dong Chen, Juan I. Asensio-Pérez, Jelena Jovanovic, Chin-Hwa Kuo, Christophe Choquet, Pierre Laforcade, Alexandra I. Cristea, Mike Joy, Pythagoras Karampiperis, Maria Grigoriadou, Sabine Graf, K. Robert Lai, Vassilios Dagdilelis, Yannis A. Dimitriadis, Mikel Larrañaga, Sébastien Iksal, Chung Hsien Lan

5Setsuo Tsuruta, Manuel Lama, Mohamed Jemni, David E. Millard, Thrasyvoulos Tsiatsos, José Luis Sierra-Rodríguez, Carlos Vaz de Carvalho, Juan M. Santos, Chun-Wang Wei, Tatsunori Matsui, Yoshitaka Sakurai, Bruno Defude, Alke Martens, Carlo Giovannella, Rita Kuo, Adel Elsayed, Ekaterina Prasolova-Førland, José Luis Sierra, Tore Hoel, Permanand Mohan, Andreas Lingnau, Juha Puustjärvi, Telmo Zarraonandia, Ralf Klamma, Jon Dron, Mizue Kayama, Paola Forcheri, Hugh C. Davis, Meng Chang Chen, Ilkka Jormanainen, André Mayers

# … number of appearances in different years (ICALT 2002 data missing in DBLP)

Page 13: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-13

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Author numbers

Number of co-authors per year

Number of authors for various appearance

frequencies

Page 14: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-14

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Betweenness centrality

Are there community connectors?

Page 15: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-15

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Betweenness centrality

Are there community connectors?

Page 16: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-16

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Betweenness centrality

Page 17: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-17

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Largest connected component

Share of authors who are in the largest co-authorship

network

Or: size of the “inner circle”

Page 18: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-18

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Largest connected component

Page 19: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-19

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Average path length

Average length of paths between each pair of nodes.

Should eventually peak -- “small world phenomenon”

Page 20: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-20

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Average path length

Page 21: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-21

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Density

Density of co-authorship network.

Page 22: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-22

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Clustering coefficient

Clustering of authors

Page 23: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-23

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Diameter

The longest of the shortest paths through the network.

Page 24: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-24

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

Page 25: ICALT Author Community

Lehrstuhl Informatik 5(Informationssysteme)

Prof. Dr. M. JarkeI5-MD-080711-25

www.telmap.org

Michael Derntl

[email protected]

http://is.gd/icaltcommunity

A role model? ACM SIGCSE