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"This book constitutes the refereed proceedings of the 8th International Workshop on OpenMP, held in in Rome, Italy, in June 2012. The 18 technical full papers presented together with 7 posters were carefully reviewed and selected from 30 submissions. The papers are organized in topical sections on proposed extensions to OpenMP, runtime environments, optimization and accelerators, task parallelism, validations and benchmarks"

"This book constitutes the refereed proceedings of the 4th International Conference on Information Technologies in Biomedicine, ITIB 2012, held in Goglin, Poland, in June 2012. The 60 revised full papers were carefully reviewed and selected from numerous submissions. The papers are organized in topical sections on image analysis, signal processing, biocybernetics, biomaterials, bioinformatics and biotechnology, biomechanics and rehabilitation, and assisted living systems."

"The 14 revised full papers presented together with 2 invited talks and 2 invited tutorials were carefully reviewed and selected from 17 initial submissions. Datalog 2.0 is a workshop for Datalog pioneers, implementors, and current practitioners; the contributions aim to bring every participant up-to-date with the newest developments and map out directions for the future."

"This book constitutes the proceedings of the Third International Conference of the CLEF Initiative, CLEF 2012, held in Rome, Italy, in September 2012. The 14 papers and 3 poster abstracts presented were carefully reviewed and selected for inclusion in this volume. Furthermore, the books contains 2 keynote papers. The papers are organized in topical sections named, benchmarking and evaluation initiatives, information access, and evaluation methodologies and infrastructure."

"The 12 revised full papers were carefully reviewed and selected from numerous submissions. The papers address all aspects of fault tolerance and exception handling, safety modeling, supporting evolution, resilience in service-oriented computing, and applying formal methods in case studies."

"This book constitutes the proceedings of the 4th International Workshop on Computational Topology in Image Context, CTIC 2012, held in Bertinoro, Italy, in May 2012. The 16 papers presented in this volume were carefully reviewed and selected for inclusion in this book. They focus on the topology and computation in image context. The workshop is devoted to computational methods using topology for the analysis and comparison of images. The involved research fields comprise computational topology and geometry, discrete topology and geometry, geometrical modeling, algebraic topology for image applications, and any other field involving a geometric-topological approach to image processing."

"ABSTRACTBackpropagation neural network merupakan salah satu algoritme machine learning yang mengizinkan sebuah mesin untuk melakukan pembelajaran dari sekumpulan data, sehingga tidak perlu diprogram secara eksplisit. Namun, backpropagation neural network yang baik memerlukan proses pembelajaran dengan waktu lama dengan data dalam jumlah banyak. Penelitian ini akan merancang sebuah program backpropagation neural network yang dapat dieksekusi secara paralel untuk mendapatkan waktu eksekusi yang lebih cepat. Pembuatan program ini dilakukan menggunakan OpenMP API dalam bahasa pemrograman C. Hasil pengujian membuktikan bahwa adanya pengurangan waktu eksekusi, yakni secara berurutan sebesar 2,2653 detik dan 0,5838 detik untuk masing-masing mesin pengujian yang digunakan, untuk pertambahan setiap jumlah thread yang bekerja pada program. Namun, program masih memiliki skalabilitas yang kurang bagus dikarenakan oleh terjadinya fenomena false sharing pada program. Program memiliki sifat kenaikan waktu eksekusi linier sebesar 0,9263 detik untuk setiap pertambahan jumlah sampel input. Hal ini dikarenakan oleh pertambahan jumlah sampel hanya menambah jumlah data yang harus diproses program saja. Sedangkan, program memiliki sifat kenaikan waktu eksponensial sebesar e0,0103 detik untuk setiap pertambahan jumlah dimensi sampel input. Hal ini dikarenakan oleh pertambahan jumlah dimensi tidak hanya menambah jumlah data yang harus diproses saja, melainkan juga menambah sejumlah variabel yang bekerja pada program yang menimbulkan pertambahan komputasi pada setiap sampel input.

---

ABSTRACTBackpropagation neural networks is one of many machine learning algorithms that allows a machine to do a learning process from a set of data, instead of programming it explicitly. However, a good backpropagation neural network program needs a lot amount of learning time and involves huge amount of data. This experiment made a backpropagation neural network program that can be executed in parallel fashion in order to reduce its execution time using OpenMP API in C programming language. The program rsquo s test results show that there are 2.2653 and 0.5838 second execution time decreases, each corresponds to each testing machine, for every thread added to the program. However, the program rsquo s scalability is not good enough due to false sharing phenomenon that appeared in time of execution. Program has a 0.9263 second linear execution time increase for every input samples added to the program. This is because of the addition will only effect on how much data the program needs to process. However, the program has an e0.0103 second exponential execution time increase for every input sample rsquo s feature added. This is because of the addition will not only effect on how much data that needs to be processed, but also generate some additional variables involved inside program which affects the computational process of each input sample."

"This book constitutes the refereed proceedings of the 9th International Conference on Integrated Formal Methods, IFM 2012, held Pisa, Italy, in June 2012. The 20 revised full papers presented together with 2 invited papers were carefully reviewed and selected from 59 submissions. The papers cover the spectrum of integrated formal methods, ranging from formal and semiformal notations, semantics, proof frameworks, refinement, verification, timed systems, as well as tools and case studies."

"This book constitutes the proceedings of the Third International Conference on Information Processing in Computer-Assisted Interventions IPCAI 2012, held in Pisa, Italy, on June 27, 2012. The 17 papers presented were carefully reviewed and selected from 31 submissions during two rounds of reviewing and improvement. The papers present novel technical concepts, clinical needs and applications as well as hardware, software and systems and their validation. The main technological focus is on patient-specific modeling and its use in interventions, image-guided and robotic surgery, real-time tracking and imaging."

"This book constitutes the thoroughly refereed post-conference proceedings of the 7th International ICST Conference on Broadband Communications, Networks and Systems (BROADNETS 2010) held in October 2010 in Athens, Greece. The 39 revised full papers were carefully selected from numerous submissions. The conference was divided in 3 tracks: Optical, Wireless and Internet. The optical track covers topics such as optical switch architectures, reliable optical networking, routing, wavelength assignment, and traffic grooming, network control and management. The wireless track highlights MIMO and OFDM techniques, mobility management, routing protocols, hybrid networks and the internet track covers routing, scheduling, security, trust, semantic technologies and social networks."