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A "Small World" Approach to Heterogeneous Networks

Sanjeev R. Kulkarni, Alex Reznik, Sergio Verdu
2003 Communications in Information and Systems  
We consider a heterogeneous (also called "hybrid") ad-hoc network with wired and wireless links.  ...  The impact of such a modification on the original wireless network can be tremendous.  ...  On the other hand, a purely random network has a low degree of clustering since the edges are assigned at random.  ... 
doi:10.4310/cis.2003.v3.n4.a6 fatcat:4mq54lazlfantdw4xjadqpdpci

A kernel-based approach to exploiting interaction-networks in heterogeneous information sources for improved recommender systems

Oluwasanmi Koyejo, Joydeep Ghosh
2011 Proceedings of the 2nd International Workshop on Information Heterogeneity and Fusion in Recommender Systems - HetRec '11  
It is often assumed that such interaction information is informative for preference prediction.  ...  Pairwise interaction networks capture inter-user dependencies (e.g. social networks) and inter-item dependencies (e.g item categories) that provide insight into user and item behavior.  ...  The information available in the dataset includes a social network between users and a set of userartist tags.  ... 
doi:10.1145/2039320.2039322 fatcat:42tqws25m5cptk6gnwqhg7vf7m

Tracing Distributed Data Stream Processing Systems

Zoltan Zvara, Peter G.N. Szabo, Gabor Hermann, Andras Benczur
2017 2017 IEEE 2nd International Workshops on Foundations and Applications of Self* Systems (FAS*W)  
Interconnected stream processing components of distributed compute topologies suffer from a variety of problems on shared-nothing clusters.  ...  We present a distributed, platform-wide tracing design and framework for production streaming applications that helps to solve a variety of optimization problems in real-time.  ...  Without low level data tracing in such systems, a straggler node could be misidentified as a problematic hardware in heterogeneous cluster environments.  ... 
doi:10.1109/fas-w.2017.153 dblp:conf/saso/ZvaraSHB17 fatcat:sacald7cenekxjmvjwll6umpse

Performance Evaluation of A Load Self-Balancing Method for Heterogeneous Metadata Server Cluster Using Trace-Driven and Synthetic Workload Simulation

Bin Cai, Changsheng Xie, Guangxi Zhu
2007 2007 IEEE International Parallel and Distributed Processing Symposium  
demands in heterogeneous metadata server cluster.  ...  , and evaluate the performance of our SBU algorithms against SR and PAD algorithms by both a trace workload and a synthetic workload.  ...  trace workload and a synthetic workload.  ... 
doi:10.1109/ipdps.2007.370595 dblp:conf/ipps/CaiXZ07 fatcat:y6csfoeun5hc5jdkdzuh66k5xa

Fine-tuning Resource Allocation of Apache Spark Distributed Multinode Cluster for Faster Processing of Network-trace Data

Shyamasundar L B, V Anilkumar, Jhansi Rani
2019 International Journal of Advanced Computer Science and Applications  
While processing raw network packets, timely inference of network security is a primitive requirement.  ...  In recent times, Apache Spark in combination with Hadoop Yet-Another-Resource-Negotiator (YARN) is evolving as a generic Big Data processing platform.  ...  In [16] , researchers integrate a network monitoring architecture into Apache Spark. NetFlow data has been processed as the way in traditional processing approaches.  ... 
doi:10.14569/ijacsa.2019.0101184 fatcat:apjwprqbfvhednme5wx6742pni

Neurite Tracing With Object Process

Sreetama Basu, Wei Tsang Ooi, Daniel Racoceanu
2016 IEEE Transactions on Medical Imaging  
information.  ...  We capture a mathematical model abstracting out the relevant position, shape and connectivity information about neuronal branches from the microscopy data into connected minimum spanning trees.  ...  CONCLUSION We propose a novel marked point process approach to detect complex neuronal morphology as the global optimum of a well designed energy function.  ... 
doi:10.1109/tmi.2016.2515068 pmid:26742129 fatcat:lif4cdukl5fn7hniyxbonhoqki

Bringing Context Inside Process Research with Digital Trace Data

Brian T. Pentland, Michigan State University, Jan Recker, Julie Wolf, George Wyner, University of Cologne, Germany, University of Rochester, USA, Boston College, USA
2020 Journal of the AIS  
This paper introduces a novel method for including fine-grained contextual information from digital trace data within the description of process (e.g., who, what, when, where, why).  ...  However, we argue that a large number of categories can make process data more informative for theorizing and that including contextual detail enriches the understanding of processes as they unfold.  ...  The Role of Context in Process Dynamics Our approach provides a foundation for process dynamics as network dynamics (Goh & Pentland, 2019) .  ... 
doi:10.17705/1jais.00635 fatcat:xt6x3b7b2bewfithgtbj3z46ve

Automatic Trace-Based Performance Analysis of Metacomputing Applications

Daniel Becker, Felix Wolf, Wolfgang Frings, Markus Geimer, Brian J.N. Wylie, Bernd Mohr
2007 2007 IEEE International Parallel and Distributed Processing Symposium  
The processing power and memory capacity of independent and heterogeneous parallel machines can be combined to form a single parallel system that is more powerful than any of its constituents.  ...  In our earlier work, we have demonstrated that automatic pattern search in event traces can identify the sources of wait states in parallel applications running on a single computer.  ...  Every 10-15 seconds, Trace sends the velocity field in a chunk of 200 MB in parallel to Partrace for further processing. In addition, Partrace sends steering information to Trace.  ... 
doi:10.1109/ipdps.2007.370238 dblp:conf/ipps/BeckerWFGWM07 fatcat:37gry3hn3za63dxwdpiql2rine

Towards a Capitalization of Processes Analyzing Learning Interaction Traces [chapter]

Alexis Lebis, Marie Lefevre, Vanda Luengo, Nathalie Guin
2016 Lecture Notes in Computer Science  
Nevertheless, TEL community faces heterogeneity concerning e-learning traces, analysis processes and tools leading these analyses.  ...  In this paper, we propose an independent formalism to describe analysis processes of e-learning interaction traces, in order to capitalize them and avoid these technical dependencies.  ...  For instance, the rule for a clustering operator can be to create a new TTE, representing new groups.  ... 
doi:10.1007/978-3-319-45153-4_33 fatcat:emb7ls3jabbfrkpjrzdhdm36d4

Process diagnostics using trace alignment: Opportunities, issues, and challenges

R.P. Jagadeesh Chandra Bose, Wil M.P. van der Aalst
2012 Information Systems  
Therefore, we propose a new approach based on trace alignment. The goal is to align traces in such a way that event logs can be explored easily.  ...  Business processes leave trails in a variety of data sources (e.g., audit trails, databases, transaction logs). Hence, every process instance can be described by a trace, i.e., a sequence of events.  ...  P. van der Aalst are grateful to Philips Healthcare for funding the research in process mining.  ... 
doi:10.1016/j.is.2011.08.003 fatcat:dg3duja52renlgrjsd65krmsey

Assessing the Performance of MPI Applications through Time-Independent Trace Replay

Frederic Desprez, George S. Markomanolis, Martin Quinson, Frederic Suter
2011 2011 40th International Conference on Parallel Processing Workshops  
Simulation is a popular approach to obtain objective performance indicators platforms that are not at one's disposal. It may help the dimensioning of compute clusters in large computing centers.  ...  This allows us to completely decouple the acquisition process from the actual replay of the traces in a simulation context.  ...  RR n°7489 Assessing the Performance of MPI Applications Through Time-Independent Trace Replay20  ... 
doi:10.1109/icppw.2011.33 dblp:conf/icppw/DesprezMQS11 fatcat:nd2r3smwurbjpb6iatl5viue6m

Astro-WISE: Tracing and Using Lineage for Scientific Data Processing

Johnson Mwebaze, Danny Boxhoorn, Edwin Valentijn
2009 2009 International Conference on Network-Based Information Systems  
Data provenance by data lineage provides the derivation history of data including information about services and input data that contributed to the creation of a data product.  ...  We show how Astro-WISE traces lineage of data and how it facilitates data processing, retrieval, storage, archiving.  ...  The computing cluster decomposes and executes a job on a piece of hardware where the processing is optimal. A.  ... 
doi:10.1109/nbis.2009.48 dblp:conf/nbis/MwebazeBV09 fatcat:mq2wuva7qnhqrmlvfgpvjzaqoy

Whisper: Tracing the Spatiotemporal Process of Information Diffusion in Real Time

Nan Cao, Yu-Ru Lin, Xiaohua Sun, D. Lazer, Shixia Liu, Huamin Qu
2012 IEEE Transactions on Visualization and Computer Graphics  
Here we propose a novel visualization design, "Whisper", for tracing the process of information diffusion in social media in real time.  ...  tracing the pathways of retweets on a spatial hierarchical layout.  ...  This work was supported in part by grant HK RGC GRF 619309 and a grant from Microsoft Research Asia.  ... 
doi:10.1109/tvcg.2012.291 pmid:26357174 fatcat:wagtwwmglbbf7gyjepttnuy54u

Estimation of the percentages of undiagnosed patients of the novel coronavirus (SARS-CoV-2) infection in Hokkaido, Japan by using birth-death process with recursive full tracing

Takuma Tanaka, Takayuki Yamaguchi, Yohei Sakamoto, Ka Chun Chong
2020 PLoS ONE  
In this paper, we propose a novel analysis based on the birth-death process with recursive full tracing.  ...  We propose an analysis based on the birth-death process with recursive full tracing that takes advantage of information obtained by contact tracing to estimate epidemiological parameter values with a small  ...  Thus, a "cluster" of infected patients connected by the route of infection is constructed through the process of contact tracing.  ... 
doi:10.1371/journal.pone.0241170 pmid:33112895 fatcat:7oisq3kbkfdhhj3kpzjbbhpjay

Innovating through Clusters

Chiara D'Alise, Luca Giustiniano, Enzo Peruffo
2014 International Journal of Engineering Business Management  
to enrich the line of inquiry into cluster-based innovation by applying a social network analysis (SNA) approach.  ...  The cluster concept has been defined in ambiguous ways, corresponding to a large variety of spatial and organizational concrete configurations.  ...  clusters, by using a network approach.  ... 
doi:10.5772/59028 fatcat:grvr4nrvyfawhkxsurncrqfwgi
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