Top 10 collaborations in Barcelona

The Nature Index 2017 Science Cities tables show each city’s leading institutions for high-quality science, ordered by WFC, Count and CS for 2016. Also shown are WFC from 2012, the change in WFC between 2012 and 2016 and the Count for 2016. Collaboration tables rank the top intra-city institution pairs by their bilateral collaboration score in 2016.

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#Rank	Institution 1	CS1	Institution 2	CS2	Total CS
1	Institute of Photonic Sciences (ICFO), BIST	17.53	Catalan Institution for Research and Advanced Studies (ICREA)	3.51	21.04
2	University of Barcelona (UB)	14.43	Catalan Institution for Research and Advanced Studies (ICREA)	5.77	20.20
3	Autonomous University of Barcelona (UAB)	6.69	University of Barcelona (UB)	11.43	18.12
4	Polytechnic University of Catalonia (UPC)	8.87	University of Barcelona (UB)	8.92	17.79
5	Pompeu Fabra University (UPF)	8.23	Centre for Genomic Regulation (CRG), BIST	6.90	15.13
6	Polytechnic University of Catalonia (UPC)	8.65	Institute of Space Sciences (ICE), CSIC	6.14	14.79
7	University of Barcelona (UB)	8.52	Institute of Space Sciences (ICE), CSIC	6.14	14.66
8	Autonomous University of Barcelona (UAB)	5.99	Polytechnic University of Catalonia (UPC)	8.65	14.64
9	Catalan Institution for Research and Advanced Studies (ICREA)	2.81	Catalan Institute of Nanoscience and Nanotechnology (ICN2), BIST	10.94	13.75
10	Autonomous University of Barcelona (UAB)	6.00	Institute of Space Sciences (ICE), CSIC	6.15	12.15