Non-disclosure agreement (NDA) is ca secrecy agreement between student and the data owner (Seznam) that outlines a confidential material, information or data the parties wish to share for the purpose of a cooperation. The NDA in the same time restricts access of other, third parties to the shared materials, infuriation and data.
Here is the text of the NDA with Seznam. Every student requiring to access the data is required to carefully read and sign three copies of the NDA prior gaining the access to the Sdata subdirectory on the Metacentrum cluster. First copy is for Seznam, second for CVUT Media Lab and the third for the student. The signing and access will be administrated by Tomas Vondra, see the contact board.