20071206 Seminarie Cw

Snowflake Effectfor research

or: ... I need help!

erik duvalK.U.Leuven & ARIADNE

http://www.cs.kuleuven.be/~erikd 1

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?

http://www.flags.net/

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

the essence

•abundance ☞ snowflake effect

•metrics and transparency

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abundance in music

abundance in music

abundance in music

abundance in music

abundance in music

abundance in music

abundance in music

abundance in music

abundance in music

?abundance in music

?foodtravelcontentmedia...

abundance in music

snowflake in music...

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snowflake in music...

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snowflake in music...

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snowflake in music...

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snowflake in music...

nice bootstrapping, too!7

snowflake in music...

nice bootstrapping, too!7

snowflake in music...

nice bootstrapping, too!7

snowflake in music...

nice bootstrapping, too!7

abundance in science

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abundance in science

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“there is too much to read”

abundance in science

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“there is too much to read”

• Paul Otlet (1868-1944)

• Universal Decimal Classification

• Mundaneum http://www.mundaneum.be/

abundance in science

Vannevar Bush (1890-1974): memex

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“there is too much to read”

• Paul Otlet (1868-1944)

• Universal Decimal Classification

• Mundaneum http://www.mundaneum.be/

abundance in science

Vannevar Bush (1890-1974): memex

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“there is too much to read”

• Paul Otlet (1868-1944)

• Universal Decimal Classification

• Mundaneum http://www.mundaneum.be/

Jim Gray (missing...)

• unlocking peer-reviewed literature

• PubMed for other sciences

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snowflake in science

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snowflake in science

10http://portal.acm.org/

10http://portal.acm.org/

10http://portal.acm.org/

10http://portal.acm.org/

RSS?

google scholar

11http://scholar.google.com

google scholar

11http://scholar.google.com

RSS?

google scholar

11http://scholar.google.com

RSS?

Quality?

why can i get music on my ipod or information about who blogs mewithout having to search for it...

and i can’t get citations of my work as easily?!

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Is this all we can do!?

the essence

•abundance ☞ snowflake effect

•metrics and transparency

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you are what you measure...

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

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An aside...

EC-TEL

17-20 September

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An aside...

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

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

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

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

scientometrics?

metrics?

• well known?

• nr of papers?

• citations?

• collaborators?

• where (IF)?

• citation tree?

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• what?

• do?

• you?

• suggest?

• some?

• more?

papers @ CW

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0

750

1.500

2.250

3.000

google citeseer wos

38% 35%100%

papers: citeseer / google

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0

0,225

0,450

0,675

0,900

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

Chart 3

3%

86%

papers: web of science/google

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0

0,25

0,50

0,75

1,00

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

Chart 9

2%

100%

papers: both

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0

0,25

0,50

0,75

1,00

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

Chart 8

citations: citeseer / google

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0

0,05

0,10

0,15

0,20

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

Chart 10

0.37%

17%

citations: wos/google

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0

0,25

0,50

0,75

1,00

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

Chart 13

0.74%

100%

citations: both

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0

0,25

0,50

0,75

1,00

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

Chart 14

a bit more advanced...• h index: h papers with at least h citations

• g index: g papers with at least g2 citations together

• hc index: more weight to recent articles

• hl index

• hl norm

• AWCR

• AW index

• AWCRpA

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not all metrics equal...

http://www.harzing.com/pop.htm

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not all data equal...

If computer scienceis so problematic,then how aboutthe faculty,the group,the university,academia ?!

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the essence (again...)

•abundance ☞ snowflake effect

•metrics and transparency

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conclusion

opportunity fordiscussion,research

& business !

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Thanks!

Questions?http://ariadne.cs.kuleuven.ac.be/wordpress/eduval/

http://www.cs.kuleuven.be/~erikd