Algorithms and data structures

Swarm robotics is the study of how large numbers of relatively simple physically embodied agentscanbe designedsuchthat a desiredcollectivebehavioremerges from the local interactions among agents and between the agents and the en- ronment.

It is with great pleasure that we welcome you all to the proceedings of the 2nd InternationalSymposiumonVisualComputing(ISVC2006)heldinLakeTahoe.

ItwasourpleasuretoholdtheInternationalWorkshoponSecurity2006(IWSEC 2006) this year in Kyoto and to publish the proceedings as a volume of the Lecture Notes in Computer Science series.

This volume 4465 of the Lecture Notes in Computer Science series is a coll- tion of the papers of the NET-COOP 2007 conference, a ?

This volume contains the papers accepted for presentation atMIRAGE 2007.

The LNCS Journal on Data Semantics is devoted to the presentation of notable work that, in one way or another, addresses research and development on issues related to data semantics.

Provenance is a well understood concept in the study of ?

This volume contains the papers presented at the 13th International Symposium on String Processing and Information Retrieval (SPIRE), held October 11-13, 2006, in Glasgow, Scotland.

The two premier annual European conferences in the areas of machine learning anddatamining havebeencollocatedeversincethejointconferenceinFreiburg, Germany,2001.

This volume contains revised versions of the papers submitted to the workshop by the participants and accepted by the program committee after a thorough reviewing process.

ICIAR 2006, the International Conference on Image Analysis and Recognition, was the third ICIAR conference, and was held in P' ovoa de Varzim, Portugal.

DISC, the International Symposium on DIStributed Computing, is an annual forum for presentation of research on all facets of distributed computing, inc- ding the theory, design, analysis, implementation, and application of distributed systems and networks.

This volume contains the proceedings of EWSN 2007, the fourth European c- ference on Wireless Sensor Networks.

th This volume contains the papers presented at the 9 Information Security Conference (ISC 2006) held on Samos Island, Greece, during August 30 - September 2, 2006.

The Annual International Frontiers in Algorithmics Workshop is a focused - rum on current trends in research on algorithms, discrete structures, and their applications.

The RSA Conference, with over 15,000 attendees and 300 exhibitors, is the largest computer security event of the year.

The Third International Workshop on OpenMP, IWOMP 2007, was held at Beijing,China.

Fast Software Encryption (FSE) 2006 is the 13th in a series of workshops on symmetric cryptography.

th The 14 International Conference on Conceptual Structures (ICCS 2006) was held in Aalborg, Denmark during July 16 - 21, 2006.