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The Maven Dependency Graph: a Temporal Graph-based Representation of Maven Central [article]

Amine Benelallam, Nicolas Harrand, César Soto Valero, Benoit Baudry, Olivier Barais
2019 arXiv   pre-print
This open source data set provides two contributions: a snapshot of the whole Maven Central taken on September 6, 2018, stored in a graph database in which we explicitly model all dependencies; an open  ...  In this paper, we present the Maven Dependency Graph.  ...  Overview & Schema We rely on a temporal graph-based representation to capture the artifacts' dependency graph of the Maven Central. Figure 1 shows a simplified schema of the Maven Dependency Graph.  ... 
arXiv:1901.05392v1 fatcat:52j65vc4mng2xb2rye4sn5kwli

The Emergence of Software Diversity in Maven Central [article]

César Soto-Valero, Amine Benelallam, Nicolas Harrand, Olivier Barais, Benoit Baudry
2019 arXiv   pre-print
Consequently, Maven Central accumulates all the versions of all the libraries that are published there, and applications that declare a dependency towards a library can pick any version.  ...  Our results indicate that the immutability of artifacts in Maven Central does support a sustained level of diversity among versions of libraries in the repository.  ...  ACKNOWLEDGMENTS This work has been partially supported by the EU Project STAMP ICT- No.731529, by the Wallenberg Autonomous Systems and Software Program (WASP), by the TrustFull project financed by the  ... 
arXiv:1903.05394v2 fatcat:2nmwekhy4nhbnmdprd754h7kgi

The Emergence of Software Diversity in Maven Central

Cesar Soto-Valero, Amine Benelallam, Nicolas Harrand, Olivier Barais, Benoit Baudry
2019 2019 IEEE/ACM 16th International Conference on Mining Software Repositories (MSR)  
Consequently, Maven Central accumulates all the versions of all the libraries that are published there, and applications that declare a dependency towards a library can pick any version.  ...  Our results indicate that the immutability of artifacts in Maven Central does support a sustained level of diversity among versions of libraries in the repository.  ...  ACKNOWLEDGMENTS This work has been partially supported by the EU Project STAMP ICT- No.731529, by the Wallenberg Autonomous Systems and Software Program (WASP), by the TrustFull project financed by the  ... 
doi:10.1109/msr.2019.00059 dblp:conf/msr/Soto-ValeroBHBB19 fatcat:stggldb7n5hclhv66wmu5sd7ve

A generalized model for visualizing library popularity, adoption, and diffusion within a software ecosystem

Raula Gaikovina Kula, Coen De Roover, Daniel M. German, Takashi Ishio, Katsuro Inoue
2018 2018 IEEE 25th International Conference on Software Analysis, Evolution and Reengineering (SANER)  
The popularity of super repositories such as Maven Central and the CRAN is a testament to software reuse activities in both open-source and commercial projects alike.  ...  In this paper, we propose the Software Universe Graph (SUG) Model as a structured abstraction of the evolution of software systems and their library dependencies over time.  ...  ACKNOWLEDGMENTS This work is supported by JSPS KANENHI (Grant Numbers JP25220003, JP15H02683 and JP26280021) and the "Osaka University Program for Promoting International Joint Research.".  ... 
doi:10.1109/saner.2018.8330217 dblp:conf/wcre/KulaRGII18 fatcat:q6cqpt6onrcibo7cvauw7bektq

Modeling Library Dependencies and Updates in Large Software Repository Universes [article]

Raula Gaikovina Kula, Coen De Roover, Daniel M. German, Takashi Ishio, Katsuro Inoue
2017 arXiv   pre-print
From a sample of 100 GitHub applications, our method found that on average 79% similar overlapping dependencies combinations exist between the maven and github super repository universes.  ...  Popular (re)use of third-party open-source software (OSS) is evidence of the impact of hosting repositories like maven on software development today.  ...  Using a graph-based approach, we model dependency and update relations to handle all software systems in a super repository.  ... 
arXiv:1709.04626v1 fatcat:ikcdjzwqtbafpkwot7ufl5lowu

Empirical study on the usage of graph query languages in open source Java projects

Philipp Seifer, Johannes Härtel, Martin Leinberger, Ralf Lämmel, Steffen Staab
2019 Proceedings of the 12th ACM SIGPLAN International Conference on Software Language Engineering - SLE 2019  
We select repositories based on dependencies related to these technologies and employ various popularity and source-code based filters and ranking features for a targeted selection of projects.  ...  In this paper, we present an empirical study on the usage of graph-based query languages in opensource Java projects on GitHub.  ...  Acknowledgments The authors gratefully acknowledge the financial support of project LISeQ (LA 2672/1-1) by the German Research Foundation (DFG).  ... 
doi:10.1145/3357766.3359541 dblp:conf/sle/SeiferHLLS19 fatcat:k3yi2esz6rf5rhswtuqeymyb6q

Distributed temporal graph analytics with GRADOOP

Christopher Rost, Kevin Gomez, Matthias Täschner, Philip Fritzsche, Lucas Schons, Lukas Christ, Timo Adameit, Martin Junghanns, Erhard Rahm
2021 The VLDB journal  
We evaluate the performance and scalability of selected operators and a composed workflow for synthetic and real-world temporal graphs with up to 283 M vertices and 1.8 B edges, and a graph lifetime of  ...  We give a complete overview of Gradoop, a graph dataflow system for scalable, distributed analytics of temporal property graphs which has been continuously developed since 2005.  ...  To view a copy of this licence, visit http://creativecomm ons.org/licenses/by/4.0/.  ... 
doi:10.1007/s00778-021-00667-4 fatcat:3rbroxyhpzc5hlxkrasqicqbre

The common aspect proof environment

Shmuel Katz, David Faitelson
2011 International Journal on Software Tools for Technology Transfer (STTT)  
A description of the tools already integrated into the CAPE is given, and some analysis and verification scenarios are shown for an example aspect system.  ...  The aid of the CAPE in tool evaluation and experimentation with innovative usage of tools is demonstrated.  ...  The support of AOSD-Europe, an EU Network of Excellence in the 6th Research Framework, is gratefully acknowledged.  ... 
doi:10.1007/s10009-011-0191-0 fatcat:xcyxypjxcrgh5el5u7xuxy626u

Data-Driven Modeling and Analysis of Online Social Networks [chapter]

Divyakant Agrawal, Bassam Bamieh, Ceren Budak, Amr El Abbadi, Andrew Flanagin, Stacy Patterson
2011 Lecture Notes in Computer Science  
We start by developing and refining models of information diffusion based on realworld data sets. We next address the problem of finding influential users in this data-driven framework.  ...  trends over multiple spatial and temporal resolutions.  ...  This work was partially supported by the NSF under grant IIS-1135389.  ... 
doi:10.1007/978-3-642-23535-1_3 fatcat:6mnsopovcjdn3i3dqaqzh7twg4

ChronoSphere: a graph-based EMF model repository for IT landscape models

Martin Haeusler, Thomas Trojer, Johannes Kessler, Matthias Farwick, Emmanuel Nowakowski, Ruth Breu
2019 Journal of Software and Systems Modeling  
In order to solve these challenges and meet the requirements that arise from this application domain, we combine domain-driven modeling concepts with scalable graph-based repository technology and a custom  ...  IT Landscape models are representing the real-world IT infrastructure of a company.  ...  , and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.  ... 
doi:10.1007/s10270-019-00725-0 pmid:31975977 pmcid:PMC6944265 fatcat:zucm7gknrvhx5hunqi4iuptg7y

Off-Beat Multi-Agent Reinforcement Learning [article]

Wei Qiu, Weixun Wang, Rundong Wang, Bo An, Yujing Hu, Svetlana Obraztsova, Zinovi Rabinovich, Jianye Hao, Yingfeng Chen, Changjie Fan
2022 arXiv   pre-print
It boosts multi-agent learning by addressing the challenging temporal credit assignment problem raised by the off-beat actions via our novel reward redistribution scheme, alleviating the issue of non-Markovian  ...  During execution durations, the environment changes are influenced by, but not synchronised with, action execution. Such a setting is ubiquitous in many real-world problems.  ...  Unfortunately, the inter-agent credit assignment is still a challenge of HRL in OBMAS and the asynchronous 3 nature of off-beat actions undermines the temporal credit assignment of centralized training  ... 
arXiv:2205.13718v1 fatcat:m77imfyccbeinjw653wpfkrk6q

Tracking Large-Scale Video Remix in Real-World Events

Lexing Xie, Apostol Natsev, Xuming He, John R. Kender, Matthew Hill, John R. Smith
2013 IEEE transactions on multimedia  
parts of a video).  ...  We further augment visual memes with text, via a statistical model of latent topics.  ...  We design a graph representation for social interactions via visual memes, and then derive graph metrics to quantify content influence and user roles.  ... 
doi:10.1109/tmm.2013.2264929 fatcat:2sgemwmdrjhpxfsaqh2zjl3ehm

Measuring software library stability through historical version analysis

Steven Raemaekers, Arie van Deursen, Joost Visser
2012 2012 28th IEEE International Conference on Software Maintenance (ICSM)  
To obtain dependencies from software systems we developed a framework which extracts dependencies from Maven build files and which analyzes system and library code.  ...  The usage frequency of library methods is utilized as a weight in the final metric and is obtained from a dataset of more than 2300 snapshots of 140 industrial Java systems.  ...  an hierarchical representation using the Maven dependency plugin 8 but this requires a fully compiling project.  ... 
doi:10.1109/icsm.2012.6405296 dblp:conf/icsm/RaemaekersDV12 fatcat:wcsoou77izauzcvmxrlgyqlbjm

Tracking Large-Scale Video Remix in Real-World Events [article]

Lexing Xie, Apostol Natsev, Xuming He, John Kender, Matthew Hill, John R Smith
2013 arXiv   pre-print
, or remixing parts of a video).  ...  The joint statistical model of visual memes and words outperform a concurrence model, and the average error is ~2% for predicting meme volume and ~17% for their lifespan.  ...  The views and conclusions contained herein are those of the authors and should not be interpreted as necessarily representing the official policies or endorsements, either expressed or implied, of the  ... 
arXiv:1210.0623v3 fatcat:dewbmnks2ndgxai4yzavba4nmi

Increasing the financial transparency of European Commission project funding

Michael Martin, Claus Stadler, Philipp Frischmuth, Jens Lehmann
2014 Semantic Web Journal  
The main benefit of the dataset is an increased financial transparency of EU project funding.  ...  The RDF version of the FTS dataset will become part of the EU Open Data Portal and eventually be hosted and maintained by the European Union itself.  ...  Temporal dependencies of commitments are represented by using a year relation which refers to the respective DBpedia resource.  ... 
doi:10.3233/sw-130116 fatcat:qip7ueciwzfonmngcunxh2yuuu
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