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Is team science productive?
Date:10/18/2010

nd centers.

ITMAT was founded in 2004 as the world's first translational medicine institute, and as of January 2009, included over 500 active investigators spanning four institutions and dozens of academic departments. "We reasoned that ITMAT's productivity could be partly measured by how it facilitates collaborations between its members," says Hogenesch.

To collect data, the team generated special data-mining programs to automatically extract publication information from PubMed. In addition, they analyzed grant proposals submitted by ITMAT faculty during the last five years and additional data from NIH Reporter. From this they quantified the number of papers and grants by ITMAT investigators over time, and how these collaborative interactions changed over time.

ITMAT's overall size and complexity grew significantly since its inception. Not only has the total number of investigators actively collaborating within ITMAT increased during this time, the average investigator has been collaborating more.

"This finding was not surprising since as the size of the network grows, the probability that two investigators would interact to co-publish papers or co-submit grants grows," explains Hogenesch. "In network-speak, the number of edges co-published papers and grants - per node two or more investigators - grew nearly twice as fast during the past five years, as the growth of ITMAT's membership has grown, suggesting that ITMAT's expansion increased the number of collaborations. What's more, the percentage of ITMAT investigators actively collaborating within ITMAT grew every year, with nearly two-thirds actively engaged in collaborations in 2009."


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Contact: Karen Kreeger
karen.kreeger@uphs.upenn.edu
215-349-5658
University of Pennsylvania School of Medicine
Source:Eurekalert  

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