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- Iulian Sandu Popa, Karine Zeitouni, Vincent Oria, Dominique Barth, Sandrine Vial
- The VLDB Journal
- 2011

Indexing moving objects (MO) is a hot topic in the field of moving objects databases since many years. An impressive number of access methods have been proposed to optimize the processing of MO-related queries. Several methods have focused on spatio-temporal range queries, which represent the foundation of MO trajectory queries. Surprisingly, only a few of… (More)

- Alexis Lamiable, Dominique Barth, Alain Denise, Franck Quessette, Sandrine Vial, Eric Westhof
- Computational Biology and Chemistry
- 2012

We present an algorithm for automatically predicting the topological family of any RNA three-way junction, given only the information from the secondary structure: the sequence and the Watson-Crick pairings. The parameters of the algorithm have been determined on a data set of 33 three-way junctions whose 3D conformation is known. We applied the algorithm… (More)

- Christian Laforest, Sandrine Vial
- IPDPS
- 2002

In this paper we describe routing functions for optical packets in point-to-point networks. These functions are based on Eulerian tours. We first define different measures to handle the efficiency of this routing. Then, we describe an algorithm to compute these measures. Moreover, we present such an Eulerian routing in the Square Mesh and we prove that the… (More)

- Pierre Fraigniaud, Sandrine Vial
- Parallel Processing Letters
- 1999

Broadcasting (one-to-all) and gossiping (all-to-all) are two major communication paradigms that were considered from both practical and theoretical points of view. Indeed, such communication patterns frequently appear in parallel programming, and therefore are included in most of the communication libraries (e.g., MPI or PVM). Also, broadcasting and… (More)

- Iulian Sandu Popa, Karine Zeitouni, Vincent Oria, Dominique Barth, Sandrine Vial
- 2010 IEEE 26th International Conference on Data…
- 2010

In this paper we propose PARINET, a new access method to efficiently retrieve the trajectories of objects moving in networks. The structure of PARINET is based on a combination of graph partitioning and a set of composite B<sup>+</sup>-tree local indexes. PARINET is designed for historical data and relies on the distribution of the data over the network as… (More)

- Lélia Blin, Pierre Fraigniaud, Nicolas Nisse, Sandrine Vial
- Theor. Comput. Sci.
- 2006

Graph searching is one of the most popular tool for analyzing the chase for a powerful and hostile software agent (called the ”intruder”), by a set of software agents (called the ”searchers”) in a network. The existing solutions for the graph searching problem suffer however from a serious drawback: they are mostly centralized and assume a global… (More)

- Pierre Fraigniaud, Sandrine Vial
- J. Parallel Distrib. Comput.
- 1997

- Alexis Lamiable, Franck Quessette, Sandrine Vial, Dominique Barth, Alain Denise
- IEEE/ACM Transactions on Computational Biology…
- 2013

We present a new approach for the prediction of the coarse-grain 3D structure of RNA molecules. We model a molecule as being made of helices and junctions. Those junctions are classified into topological families that determine their preferred 3D shapes. All the parts of the molecule are then allowed to establish long-distance contacts that induce a 3D… (More)

- Pierre Fraigniaud, Sandrine Vial
- SIROCCO
- 1997