In the conventional sense, group recommendation refers to the recommendation of items towards a given group of users [5] .  ...  group formations to its customers who may not be fully aware of their similar activities; or a travel agency may promote an offer for a group travel package to groups of users potentially interested in  ...  In contrast to existing works on influence maximization, we are not per se interested in selecting the users with the largest set of friends or the set of locations visited by the most users; instead,  ... 

The code is able to cope with very large problem sizes, thus allowing accurate predictions for cosmic structure formation in support of future precision tests of cosmology, and at the same time is well  ...  The GADGET-4 code is publicly released to the community and contains infrastructure for on-the-fly group and substructure finding and tracking, as well as merger tree building, a simple model for radiative  ...  However, to help users get started with simulations of galaxy formation, we have included a very basic radiative cooling module, and a treatment of star formation based on the coarse-grained subgrid model  ...