 We establish the theoretical foundation of motif prediction and we propose several heuristics that , for a fixed set of nodes in a graph and a specified motif, assess the chances for this motif to appear.
<clarity>  We establish the theoretical foundation of motif prediction and we propose several heuristics that , for a fixed set of nodes in a graph and a specified motif, assess the chances for this motif to appear.
 We establish the theoretical foundation of motif prediction and we propose several heuristics that assess the chances for this motif to appear.