@unpublished{,
    author = {Ntoutsi, Eirini; Stefanidis, Kostas; Nørvåg, Kjetil; Kriegel, Hans-Peter},
    title = {gRecs: A collaborative filtering framework for group recommendations},
    editor = {},
    booktitle = {},
    series = {},
    journal = {},
    address = {},
    publisher = {},
    edition = {},
    year = {},
    isbn = {},
    volume = {},
    number =  {},
    pages = {},
    url = {https://kbs.uni-hannover.de/~ntoutsi/papers/12.GfKL_b(ppt).pdf},
    doi = {},
    keywords = {},
    abstract = {},
    note = {Vortrag bei The 36th Annual Conference of the German Classification Society on Data Analysis, Machine Learning and Knowledge Discovery (GfKl 2012), August 1-3, 2012, Hildesheim, Germany},
    
    
    
}