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Sascha Welten

dblp:289/0571 · DBLP profile ↗
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2ranked-venue papers
0as first author
2since 2021 · last 2025
0000-0001-5570-9672ORCID · corroborated

Domains — the database's venue-derived domains; a paper can count in several

Software engineering, systems software and programming languages · 1 · 1 since 2021Databases, data management, data science and information retrieval · 1 · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Databases, data mining, and information retrieval
1 paper
Knowledge graphs · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Knowledge graphs
knowledge graph construction
0.912025
From Genesis to Maturity: Managing Knowledge Graph Ecosystems Through Life Cycles · Proc. VLDB Endow. 2025
Knowledge graphs
knowledge graph management
0.912025
From Genesis to Maturity: Managing Knowledge Graph Ecosystems Through Life Cycles · Proc. VLDB Endow. 2025
Knowledge graphs
knowledge graph querying
0.312025
From Genesis to Maturity: Managing Knowledge Graph Ecosystems Through Life Cycles · Proc. VLDB Endow. 2025
YearPublicationVenuePosition
2025 From Genesis to Maturity: Managing Knowledge Graph Ecosystems Through Life Cycles
abstract
Knowledge graphs (KGs) play a crucial role in the integration and organization of heterogeneous data and knowledge, enabling advanced data analytics and decision-making across various industries. This vision paper addresses critical challenges in managing KGs, emphasizing their relevance in integrating information from disparate sources. We propose the concept of knowledge graph ecosystems and life cycles to systematically manage tasks, e.g., data integration, standardization, continuous updates, efficient querying, and provenance tracking. By adopting our approach, organizations can enhance the accuracy, consistency, and reliability of KGs, thus improving knowledge management, enabling the extraction of valuable insights, and ensuring transparency and accountability.
Sandra Geisler, Cinzia Cappiello, Irene Celino, David Fraga 0001, Anastasia Dimou, Ana Iglesias-Molina, Maurizio Lenzerini, Anisa Rula, Dylan Van Assche, Sascha Welten, Maria-Esther Vidal
Proc. VLDB Endow.10
2023 HAICO: A Monitoring and Transaction Chatbot for Distributed Analytics Workflows
abstract
The fast-growing complexity of decentralized infrastructures outpaces end-users from acquiring the required knowledge to operate them. A possible remedy for this ever-aggravating problem might be the integration of natural-language-driven interfaces that allow end-users to interact with those systems. This work focuses on a Distributed Analytics (DA) use case, which includes the challenge above. We propose a DA-tailored and module-based monitoring and transaction bot called HAICO, which assists users in keeping track of their activities. Our user study (n=50) shows that our approach indeed contributes to increased transparency and accessibility of digital assets in these ecosystems. The results show that integrating automated agents can lower the barriers for non-technology-versed users to foster efficiency and adoption time.
Alexander Tobias Neumann, Sascha Welten, Julia Kunz, Ralf Klamma, Stefan Decker
ICWS2