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Consortium of Swiss Academic Libraries

FTO genetic variants, dietary intake and body mass index: insights from 177 330 individuals

Qi, Qibin ; Kilpeläinen, Tuomas O. ; Downer, Mary K. ; Tanaka, Toshiko ; Smith, Caren E. ; Sluijs, Ivonne ; Sonestedt, Emily ; Chu, Audrey Y. ; Renström, Frida ; Lin, Xiaochen ; Ängquist, Lars H. ; Huang, Jinyan ; Liu, Zhonghua ; Li, Yanping ; Asif Ali, Muhammad ; Xu, Min ; Ahluwalia, Tarunveer Singh ; Boer, Jolanda M.A. ; Chen, Peng ; Daimon, Makoto ; Eriksson, Johan ; Perola, Markus ; Friedlander, Yechiel ; Gao, Yu-Tang ; Heppe, Denise H.M. ; Holloway, John W. ; Houston, Denise K. ; Kanoni, Stavroula ; Kim, Yu-Mi ; Laaksonen, Maarit A. ; Jääskeläinen, Tiina ; Lee, Nanette R. ; Lehtimäki, Terho ; Lemaitre, Rozenn N. ; Lu, Wei ; Luben, Robert N. ; Manichaikul, Ani ; Männistö, Satu ; Marques-Vidal, Pedro ; Monda, Keri L. ; Ngwa, Julius S. ; Perusse, Louis ; van Rooij, Frank J.A. ; Xiang, Yong-Bing ; Wen, Wanqing ; Wojczynski, Mary K. ; Zhu, Jingwen ; Borecki, Ingrid B. ; Bouchard, Claude ; Cai, Qiuyin ; Cooper, Cyrus ; Dedoussis, George V. ; Deloukas, Panos ; Ferrucci, Luigi ; Forouhi, Nita G. ; Hansen, Torben ; Christiansen, Lene ; Hofman, Albert ; Johansson, Ingegerd ; Jørgensen, Torben ; Karasawa, Shigeru ; Khaw, Kay-Tee ; Kim, Mi-Kyung ; Kristiansson, Kati ; Li, Huaixing ; Lin, Xu ; Liu, Yongmei ; Lohman, Kurt K. ; Long, Jirong ; Mikkilä, Vera ; Mozaffarian, Dariush ; North, Kari ; Pedersen, Oluf ; Raitakari, Olli ; Rissanen, Harri ; Tuomilehto, Jaakko ; van der Schouw, Yvonne T. ; Uitterlinden, André G. ; Zillikens, M. Carola ; Franco, Oscar H. ; Shyong Tai, E. ; Ou Shu, Xiao ; Siscovick, David S. ; Toft, Ulla ; Verschuren, W.M. Monique ; Vollenweider, Peter ; Wareham, Nicholas J. ; Witteman, Jacqueline C.M. ; Zheng, Wei ; Ridker, Paul M. ; Kang, Jae H. ; Liang, Liming ; Jensen, Majken K. ; Curhan, Gary C. ; Pasquale, Louis R. ; Hunter, David J. ; Mohlke, Karen L. ; Uusitupa, Matti ; Cupples, L. Adrienne ; Rankinen, Tuomo ; Orho-Melander, Marju ; Wang, Tao ; Chasman, Daniel I. ; Franks, Paul W. ; Sørensen, Thorkild I.A. ; Hu, Frank B. ; Loos, Ruth J. F. ; Nettleton, Jennifer A. ; Qi, Lu

In: Human Molecular Genetics, 2014, vol. 23, no. 25, p. 6961-6972

Université de Fribourg

Dynamics of social contagions with limited contact capacity

Wang, Wei ; Shu, Panpan ; Zhu, Yu-Xiao ; Tang, Ming ; Zhang, Yi-Cheng

In: Chaos: An Interdisciplinary Journal of Nonlinear Science, 2015, vol. 25, no. 10, p. 103102

Individuals are always limited by some inelastic resources, such as time and energy, which restrict them to dedicate to social interaction and limit their contact capacities. Contact capacity plays an important role in dynamics of social contagions, which so far has eluded theoretical analysis. In this paper, we first propose a non-Markovian model to understand the effects of contact capacity on...

Université de Fribourg

Uncovering missing links with cold ends

Zhu, Yu-Xiao ; Lü, Linyuan ; Zhang, Qian-Ming ; Zhou, Tao

In: Physica A: Statistical Mechanics and its Applications, 2012, vol. 139, no. 22, p. 5769–5778

To evaluate the performance of prediction of missing links, the known data are randomly divided into two parts, the training set and the probe set. We argue that this straightforward and standard method may lead to terrible bias, since in real biological and information networks, missing links are more likely to be links connecting low-degree nodes. We therefore study how to uncover missing links...

Université de Fribourg

Negative ratings play a positive role in information filtering

Zeng, Wei ; Zhu, Yu-Xiao ; Lü, Linyuan ; Zhou, Tao

In: Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, no. 23-24, p. 4486-4493

The explosive growth of information asks for advanced information filtering techniques to solve the so-called information overload problem. A promising way is the recommender system which analyzes the historical records of users’ activities and accordingly provides personalized recommendations. Most recommender systems can be represented by user-object bipartite networks where users can...

Université de Fribourg

Empirical study on clique-degree distribution of networks

Xiao, Wei-Ke ; Ren, Jie ; Qi, Feng ; Song, Zhi-Wei ; Zhu, Meng-Xiao ; Yang, Hong-Feng ; Jin, Hui-Yu ; Wang, Bing-Hong ; Zhou, Tao

In: Physical Review E, 2007, vol. 76, no. 3, p. 037102

The community structure and motif-modular-network hierarchy are of great importance for understanding the relationship between structures and functions. We investigate the distribution of clique degrees, which are an extension of degree and can be used to measure the density of cliques in networks. Empirical studies indicate the extensive existence of power-law clique-degree distributions in...