Author: Roberto Zicari

PoliTwi: Early Detection of Emerging Political Topics on Twitter and the Impact on Concept-Level Sentiment Analysis

PoliTwi: Early Detection of Emerging Political Topics on Twitter and the Impact on Concept-Level Sentiment Analysis PoliTwi is on-line service that detects emerging political topics (Top Topics) in Twitter sooner than other standard information...

Chasing the Optimum in Replicated In-memory Transactional Platforms via Protocol Adaptation

Chasing the Optimum in Replicated In-memory Transactional Platforms via Protocol Adaptation Maria Couceiro INESC-ID Lisboa/Instituto Superior T ́ecnico, Universidade de Lisboa jgpaiva@gsd.inesc-id.pt Pedro Ruivo Red Hat Inc. pruivo@gsd.inesc-id.pt Paolo Romano INESC-ID Lisboa/Instituto Superior T...

Traversing Trillions of Edges in Real-time: Graph Exploration on Large-scale Parallel Machines

Traversing Trillions of Edges in Real-time: Graph Exploration on Large-scale Parallel Machines Fabio Checconi, Fabrizio Petrini High Performance Analytics Department IBM TJ Watson, Yorktown Heights, NY 10598 Email: {fchecco,fpetrin}@us.ibm.com Abstract—The world of Big Data...

Scalable Single Source Shortest Path Algorithms for Massively Parallel Systems

Scalable Single Source Shortest Path Algorithms for Massively Parallel Systems Venkatesan T. Chakaravarthy∗, Fabio Checconi†, Fabrizio Petrini†, Yogish Sabharwal∗ ∗ IBM Research – India, New Delhi. {vechakra,ysabharwal}@in.ibm.com † IBM T J Watson Research Center,...