99 citations · 200 across the 30 of their papers we have counts for
3 papers · 1 filter
Evaluating Hybrid Graph Pattern Queries Using Runtime Index Graphs
Xiaoying Wu, Dimitri Theodoratos, Nikos Mamoulis +1
Graph pattern matching is a fundamental operation for the analysis and exploration ofdata graphs. In thispaper, we presenta novel approachfor efficiently finding homomorphic matche…
Provenance in Temporal Interaction Networks
Chrysanthi Kosyfaki Nikos Mamoulis
In temporal interaction networks, vertices correspond to entities, which exchange data quantities (e.g., money, bytes, messages) over time. Tracking the origin of data that have re…
HINT: A Hierarchical Index for Intervals in Main Memory
George Christodoulou, Panagiotis Bouros, Nikos Mamoulis
Indexing intervals is a fundamental problem, finding a wide range of applications. Recent work on managing large collections of intervals in main memory focused on overlap joins an…