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Global crises and regulatory developments require increased supply chain transparency and resilience. Companies do not only need to react to a dynamic environment but have to act proactively and implement measures to prevent production…

Mainstream knowledge management researchers generally agree that knowledge extracted from unstructured data and semi-structured data have become imperative for organizational strategic decision making. In this research, we develop a…

Information Retrieval · Computer Science 2020-07-15 Gerald Onwujekwe , Kweku-Muata Osei-Bryson , Nnatubemugo Ngwum

Process mining is a discipline which concerns the analysis of execution data of operational processes, the extraction of models from event data, the measurement of the conformance between event data and normative models, and the enhancement…

Data Structures and Algorithms · Computer Science 2022-04-09 Marco Pegoraro , Merih Seran Uysal , Wil M. P. van der Aalst

Many network analysis tasks in social sciences rely on pre-existing data sources that were created with explicit relations or interactions between entities under consideration. Examples include email logs, friends and followers networks on…

Social and Information Networks · Computer Science 2017-04-20 Lin Li , William M. Campbell , Cagri Dagli , Joseph P. Campbell

Complex heterogeneous dynamic networks like knowledge graphs are powerful constructs that can be used in modeling data provenance from computer systems. From a security perspective, these attributed graphs enable causality analysis and…

Cryptography and Security · Computer Science 2022-03-08 Maya Kapoor , Joshua Melton , Michael Ridenhour , Mahalavanya Sriram , Thomas Moyer , Siddharth Krishnan

Machine learning on graph-structured data has recently become a major topic in industry and research, finding many exciting applications such as recommender systems and automated theorem proving. We propose an energy-based graph embedding…

Machine Learning · Computer Science 2023-08-25 Dominik Dold , Josep Soler Garrido

With rise in security breaches over the past few years, there has been an increasing need to mine insights from social media platforms to raise alerts of possible attacks in an attempt to defend conflict during competition. In this study,…

Social and Information Networks · Computer Science 2020-06-23 Soumajyoti Sarkar , Mohammad Almukaynizi , Jana Shakarian , Paulo Shakarian

Enterprise knowledge graphs combine business data and organizational knowledge by means of a semantic network of concepts, properties, individuals and relationships. The graph-based integration of previously unconnected information with…

Information Retrieval · Computer Science 2024-09-23 Sascha Meckler

A growing number of applications that generate massive streams of data need intelligent data processing and online analysis. Real-time surveillance systems, telecommunication systems, sensor networks and other dynamic environments are such…

Databases · Computer Science 2011-05-11 Mahnoosh Kholghi , Mohammadreza Keyvanpour

In this paper, we present an operational system for cyber threat intelligence gathering from various social platforms on the Internet particularly sites on the darknet and deepnet. We focus our attention to collecting information from…

Cryptography and Security · Computer Science 2016-08-02 Eric Nunes , Ahmad Diab , Andrew Gunn , Ericsson Marin , Vineet Mishra , Vivin Paliath , John Robertson , Jana Shakarian , Amanda Thart , Paulo Shakarian

As cybersecurity threats continue to evolve, the need for advanced tools to analyze and understand complex cyber environments has become increasingly critical. Graph theory offers a powerful framework for modeling relationships within cyber…

Cryptography and Security · Computer Science 2025-04-25 Goksel Kucukkaya , Murat Ozer , Kazim Ciris

While most security projects have focused on fending off attacks coming from outside the organizational boundaries, a real threat has arisen from the people who are inside those perimeter protections. Insider threats have shown their power…

Cryptography and Security · Computer Science 2018-09-05 Anagi Gamachchi , Li Sun , Serdar Boztas

Identifying, analyzing, and evaluating cybersecurity risks are essential to assess the vulnerabilities of modern manufacturing infrastructures and to devise effective decision-making strategies to secure critical manufacturing against…

Cryptography and Security · Computer Science 2023-12-21 Md Habibor Rahman , Erfan Yazdandoost Hamedani , Young-Jun Son , Mohammed Shafae

The ability to accurately predict cyber-attacks would enable organizations to mitigate their growing threat and avert the financial losses and disruptions they cause. But how predictable are cyber-attacks? Researchers have attempted to…

Cryptography and Security · Computer Science 2020-04-10 Nazgol Tavabi , Andrés Abeliuk , Negar Mokhberian , Jeremy Abramson , Kristina Lerman

The production of microchips is a complex and thus well documented process. Therefore, available textual data about the production can be overwhelming in terms of quantity. This affects the visibility and retrieval of a certain piece of…

Information Retrieval · Computer Science 2021-05-12 H. Abu-Rasheed , C. Weber , J. Zenkert , P. Czerner , R. Krumm , M. Fathi

This paper presents an knowledge graph to assist in reasoning over signals for intelligence purposes. We highlight limitations of existing knowledge graphs and reasoning systems for this purpose, using inference of an attack using combined…

Artificial Intelligence · Computer Science 2022-06-27 Anj Simmons , Rajesh Vasa

The ever-growing datasets published on Linked Open Data mainly contain encyclopedic information. However, there is a lack of quality structured and semantically annotated datasets extracted from unstructured real-time sources. In this…

Computation and Language · Computer Science 2018-10-12 Saeedeh Shekarpour , Ankita Saxena , Krishnaprasad Thirunarayan , Valerie L. Shalin , Amit Sheth

Risk assessment plays a crucial role in ensuring the security and resilience of modern computer systems. Existing methods for conducting risk assessments often suffer from tedious and time-consuming processes, making it challenging to…

Cryptography and Security · Computer Science 2023-07-27 Simon Unger , Ektor Arzoglou , Markus Heinrich , Dirk Scheuermann , Stefan Katzenbeisser

Industrial processes produce a considerable volume of data and thus information. Whether it is structured sensory data or semi- to unstructured textual data, the knowledge that can be derived from it is critical to the sustainable…

Information Retrieval · Computer Science 2024-01-03 Hasan Abu-Rasheed , Christian Weber , Johannes Zenkert , Roland Krumm , Madjid Fathi

The quality of a knowledge graph directly impacts the quality of downstream applications (e.g. the number of answerable questions using the graph). One ongoing challenge when building a knowledge graph is to ensure completeness and…