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pro vyhledávání: '"Manuel Then"'
Publikováno v:
Datenbank-Spektrum. 17:169-182
Distance and centrality computations are important building blocks for modern graph databases as well as for dedicated graph analytics systems. Two commonly used centrality metrics are the compute-intense closeness and betweenness centralities, which
Publikováno v:
Proceedings of the VLDB Endowment. 10:877-888
Analytical graph algorithms commonly compute metrics for a graph at one point in time. In practice it is often also of interest how metrics change over time, e.g., to find trends. For this purpose, algorithms must be executed for multiple graph snaps
Autor:
Manuel Then, Viktor Leis, Tobias Muehlbauer, Alfons Kemper, Michael Haubenschild, Adrian Vogelsgesang, Thomas Neumann, Jan Finis
Publikováno v:
DBTest@SIGMOD
Industrial as well as academic analytics systems are usually evaluated based on well-known standard benchmarks, such as TPC-H or TPC-DS. These benchmarks test various components of the DBMS including the join optimizer, the implementation of the join
Autor:
Tuan-Anh Hoang-Vu, Alfons Kemper, Kien Pham, Thomas Neumann, Huy T. Vo, Moritz Kaufmann, Fernando Chirigati, Manuel Then
Publikováno v:
Proceedings of the VLDB Endowment. 8:449-460
Graph analytics on social networks, Web data, and communication networks has been widely used in a plethora of applications. Many graph analytics algorithms are based on breadth-first search (BFS) graph traversal, which is not only time-consuming for
The Process Enactment Tool Framework —Transformation of software process models to prepare enactment
Publikováno v:
Science of Computer Programming. 79:172-188
Rich development process models contain information about structures for project organization and also for concrete outcomes of a project. However, rich processes are hard to implement. They often contain hundreds of pages of documentation. Developme
Publikováno v:
GRADES
For many exploratory graph workloads, the initial loading and construction of the graph data structures makes up a significant part of the total runtime. Still, this topic is hardly analyzed in literature and often neglected in systems and their eval
Publikováno v:
GRADES
In the last years researchers and industry have become interested in the analysis of graphs to gain insights into social networks, road networks, and other data that is naturally organized as a set of connected entities. Many of these graphs are very
Autor:
Andrey Gubichev, Manuel Then
Publikováno v:
GRADES
This paper presents an empirical study of how a wide spectrum of systems handle the graph pattern matching problem. Our approach is to take the well-known LUBM benchmark, model it across various domains (relational, RDF, property graph), and execute