"The Large Hadron Collider (LHC) at the European Organization for Nuclear Research CERN in Geneva...The sheer complexity of the LHC experiments, and of LHC data acquisition and processing, poses tremendous challenges and affects the way knowledge is acquired. Since any analysis and interpretation of LHC data involves theoretical models and computer simulations, can one still consider such experimental results indisputable facts of nature?".
Our own Professor Michela Massimi has recently organised a workshop on "Models, simulations and data at LHC" to look at the relationship between computer simulations and experiment and to address the specific questions of philosophy of science related to it.
For a borader picture, read the relevant Guardian article.