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ABSTRACT
Knowledge and information are valuable resources in enterprises for solution reuse. However, identifying relevant information from a rapidly growing number of unstructured resources is challenging for users. We discuss a personalized information access tool for professional workplaces based on recommender systems to provide relevant documents for users in specific work contexts based on domain-specific ontologies. Our use case is a multidisciplinary engineering project. We provide an in-depth analysis on the content and context of documents using information retrieval methods and semantic annotations. Upon this, we build a contextual ontology as our knowledge domain for the recommender system and evaluate the level of retrievability and coverage of it against the documents. Our results provide insight into engineers’ document workspaces and show that even a simple domain ontology is able to match a majority of documents from a domain-oriented corpus. The findings support our approach of using ontology-based recommendation for domain-specific workspaces.
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Additional information
Notes on contributors
Mahsa Mehrpoor
Mahsa Mehrpoor is a Ph.D. student at Department of Engineering Design and Materials at Norwegian University of Science and technology (NTNU). She holds a BS in Software Engineering from Shiraz University, Iran and MS in Information Technology (E-commerce) from Shiraz University, Iran. Her research interests in IS includes: Search and Information retrieval, recommender systems, semantic technologies and context-aware systems.
Dirk Ahlers
Dr. Dirk Ahlers is currently a research scientist in the Information Systems group at NTNU, the Norwegian University of Science and Technology, working on Urban Intelligence, mobility and geospatial analysis, Smart Cities, and information access. He has been an ERCIM Marie Curie postdoctoral fellow at the Data and Information Management group and has extensive international experience around urban data and systems development. He holds a doctorate in Computer Science from the University of Oldenburg i Germany. He has been involved in project coordination, project management, and development roles in various research projects and has extensively published and presented nationally and internationally. His research interests are Geospatial Retrieval, Information Retrieval, Web Mining, Search Engines, Information Access, Knowledge Management, Mobile, and Everything Geo.
Jon Atle Gulla
Professor Dr. Jon Atle Gulla is professor of Information Systems at the Norwegian University of Science and Technology (NTNU) in Trondheim, Norway, since 2002. He was the head of the Department of Computer and Information Science 2010—2012 and the deputy head 2009–2010 and 2012–2013. Gulla received his MSc in 1988 and his PhD in 1993, both in Information Systems at the Norwegian Institute of Technology. He also has a MSc in Linguistics from 1995 and is a Sloan Fellow from London Business School. His research interests include the Semantic Web, NLP, search technologies, and recommender systems. Gulla has published extensively in international journals and conferences and has been active in managing research projects and commercializing research results.
Kjetil Kristensen
Dr. Kjetil Kristensen is the Adjunct Associate Professor in Collaborative Engineering at the Norwegian University of Science and Technology (NTNU). He is a technologist with extensive experience from research and management consulting. Key research interests include smart ways of working, high-performance work patterns of the future, new work & workplace concepts, trend analysis, lean management concepts, collaboration barrier analysis and advanced diagnostics, collaborative strategies, productivity and innovation. He holds graduate degrees in Collaborative Engineering Design (PhD) and Mechanical Engineering (siv.ing.) from NTNU and has been a Visiting Researcher at Stanford University. Based in Oslo, he frequently speaks and publishes internationally on a broad range of topics related to collaborative innovation, high-performance work patterns of the future, future trends, workplace, collaborative strategies and collaborative performance assessment.
Ole Ivar Sivertsen
Ole Ivar Sivertsen is a professor in mechanical engineering at NTNU in Norway. Department head 1996–98 and 2007–12 and study program head 2004–13. Originator of the simulation software FEDEM developed in national and international research projects and commercialized in the nineties through the Fedem Technology Company. Applications in areas like automotive, aerospace, robotics, tractors, construction machines, offshore structures, machine tools, etc. The simulations are based on structural dynamics using FE and control engineering for simulation of strength and product behavior. Author of the book “Virtual Testing of Mechanical Systems, Theories and Techniques”, 2001. The last years the research focus has been Knowledge-Based Engineering (KBE).