20071206 Seminarie Cw

Snowflake Effect for research or: ... I need help! erik duval K.U.Leuven & ARIADNE http://www.cs.kuleuven.be/~erikd 1

? http://www.ﬂags.net/ 2

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http://www.slideshare.net/erik.duval 4

the essence • abundance snowﬂake effect • metrics and transparency 5

abundance in music

abundance in music ?

food abundance in music ? travel content media ...

snowﬂake in music... 7

snowﬂake in music... nice bootstrapping, too! 7

abundance in science 8

abundance in science “there is too much to read” 8

abundance in science “there is too much to read” • Paul Otlet (1868-1944) • Universal Decimal Classiﬁcation • Mundaneum http://www.mundaneum.be/ 8

abundance in science “there is too much to read” • Paul Otlet (1868-1944) • Universal Decimal Classiﬁcation • Mundaneum http://www.mundaneum.be/ Vannevar Bush (1890-1974): memex 8

abundance in science “there is too much to read” • Paul Otlet (1868-1944) • Universal Decimal Classiﬁcation • Mundaneum http://www.mundaneum.be/ Vannevar Bush (1890-1974): memex Jim Gray (missing...) • unlocking peer-reviewed literature • PubMed for other sciences 8

snowﬂake in science 9

http://portal.acm.org/ 10

RSS? http://portal.acm.org/ 10

google scholar http://scholar.google.com 11

google scholar RSS? http://scholar.google.com 11

google scholar RSS? Quality? http://scholar.google.com 11

why can i get music on my ipod or information about who blogs me without having to search for it ... and i can’t get citations of my work as easily?! 12

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Is this all we can do!? 13

the essence •abundance snowﬂake effect • metrics and transparency 14

you are what you measure... you can’t manage what you don’t measure... 15

An aside... 16

EC-TEL 17-20 September An aside... 16

17 http://eprints.ecs.soton.ac.uk/14418/

scientometrics? 17 http://eprints.ecs.soton.ac.uk/14418/

metrics? • well known? • what? • nr of papers? • do? • citations? • you? • collaborators? • suggest? • where (IF)? • some? • citation tree? • more? 18

papers @ CW 3.000 2.250 1.500 38% 35% 750 100% 0 google citeseer wos 19

papers: citeseer / google Chart 3 0 86% 5 0 3% 5 0 Untitled 1 Untitled 3 Untitled 5 Untitled 7 Untitled 9 Untitled 11 Untitled 13 Untitled 15 Untitled 17 Untitled 19 Untitled 21 Untitled 23 Untitled 25 Untitled 27 Untitled 29 Untitled 31 20

papers: web of science/google Chart 9 1,00 100% 0,75 0,50 2% 0,25 0 Untitled 1 Untitled 3 Untitled 5 Untitled 7 Untitled 9 Untitled 11 Untitled 13 Untitled 15 Untitled 17 Untitled 19 Untitled 21 Untitled 23 Untitled 25 Untitled 27 Untitled 29 Untitled 31 21

papers: both Chart 8 1,00 0,75 0,50 0,25 0 Untitled 1 Untitled 3 Untitled 5 Untitled 7 Untitled 9 Untitled 11 Untitled 13 Untitled 15 Untitled 17 Untitled 19 Untitled 21 Untitled 23 Untitled 25 Untitled 27 Untitled 29 Untitled 31 22

citations: citeseer / google Chart 10 0,20 17% 0,15 0,10 0.37% 0,05 0 Untitled 1 Untitled 3 Untitled 5 Untitled 7 Untitled 9 Untitled 11 Untitled 13 Untitled 15 Untitled 17 Untitled 19 Untitled 21 Untitled 23 Untitled 25 Untitled 27 Untitled 29 Untitled 31 23

citations: wos/google Chart 13 100% 0.74% Untitled 1 Untitled 3 Untitled 5 Untitled 7 Untitled 9 Untitled 11 Untitled 13 Untitled 15 Untitled 17 Untitled 19 Untitled 21 Untitled 23 Untitled 25 Untitled 27 Untitled 29 Untitled 31 24

citations: both Chart 14 ,00 ,75 ,50 ,25 0 Untitled 1 Untitled 3 Untitled 5 Untitled 7 Untitled 9 Untitled 11 Untitled 13 Untitled 15 Untitled 17 Untitled 19 Untitled 21 Untitled 23 Untitled 25 Untitled 27 Untitled 29 Untitled 31 25

a bit more advanced... • h index: h papers with at least h citations • g index: g papers with at least g citations together 2 • hc index: more weight to recent articles • hl index • hl norm • AWCR • AW index • AWCRpA 26

not all metrics equal... http://www.harzing.com/pop.htm 27

not all data equal... 28

If computer science is so problematic, then how about the faculty, the group, the university, academia ?! 29

the essence (again...) • abundance snowﬂake effect • metrics and transparency 30

conclusion opportunity for discussion, research & business ! 31

Questions? http://ariadne.cs.kuleuven.ac.be/wordpress/eduval/ http://www.cs.kuleuven.be/~erikd Thanks! 32

20071206 Seminarie Cw

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