F1000 recommendations as a new data source for research evaluation: A comparison with citations / Ludo Waltman and Rodrigo Costas
CWTS-WP-2013-003

Counting publications and citations: Is more always better? / Ludo Waltman, Nees Jan van Eck, and Paul Wouters
CWTS-WP-2013-002

A systematic empirical comparison of different approaches for normalizing citation impact indicators. / Ludo Waltman and Nees Jan van Eck
CWTS-WP-2013-001

Societal returns of scientific research. How can we measure it? / Ingeborg Meijer
CWTS-WP-2012-014

Career policy and research output / Cornelis van Bochove
CWTS-WP-2012-013

Citation analysis may severely underestimate the impact of clinical research as compared to basic research / Nees Jan van Eck, Ludo Waltman, Anthony F.J. van Raan, Robert J.M. Klautz, and Wilco C. Peul
CWTS-WP-2012-012

Some modifications to the SNIP journal impact indicator / Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen and Martijn S. Visser
CWTS-WP-2012-011

Source normalized indicators of citation impact: An overview of different approaches and an empirical comparison /   Ludo Waltman and Nees Jan van Eck
CWTS-WP-2012-010

R&D globalization processes and university-industry research cooperation: measurement and indicators / Robert Tijssen 
CWTS-WP-2012-009

On the calculation of percentile-based bibliometric indicators / Ludo Waltman and Michael Schreiber
CWTS-WP-2012-008

The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation / Ludo Waltman, Clara Calero-Medina, Joost Kosten, Ed C.M. Noyons, Robert J.W. Tijssen, Nees Jan van Eck, Thed N. van Leeuwen, Anthony F.J. van Raan, Martijn S. Visser, and Paul Wouters
CWTS-WP-2012-007

A new methodology for constructing a publication-level classification system of science / Ludo Waltman and Nees Jan van Eck
CWTS-WP-2012-006

An empirical analysis of the use of alphabetical authorship in scientific publishing / Ludo Waltman
CWTS-WP-2012-005

Careers in science: Policy issues according to Nature and Science editorials / Cathelijn J.F. Waaijer
CWTS-WP-2012-004

Basic Research and Prosperity: Sampling and Selection of Technological Possibilities and of Scientific Hypotheses as an Alternative Engine of Endogenous Growth / Cornelis A. van Bochove
CWTS-WP-2012-003

Approaching the ‘Reward Triangle’: general analysis of the presence of funding acknowledgements and ‘peer interactive communication’ in scientific publications / Rodrigo Costas and Thed N. van Leeuwen
CWTS-WP-2012-002

Referencing patterns of individual researchers: do top scientists rely on more extensive information sources? / Rodrigo Costas, Thed N. van Leeuwen, and María Bordons
CWTS-WP-2012-001