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Ilias Pappas

Ilias Pappas

Associate Professor

Department of Information Systems >

 

+47 38 14 14 49

+47 485 03 063

Office:
H1037 ( Universitetsveien 25, Kristiansand )

Ilias Pappas is an Associate Professor of Information Systems at the Department of Information Systems, University of Agder (UiA), Norway. 

His teaching and research activities focus on the areas of digital transformation, social innovation and social change, as well as Internet marketing and information technology adoption. He has worked on EU-funded projects that support SMEs to innovate, network and grow by promoting innovation through collaboration platforms. 

Pappas has been a Guest Editor for the journals Information & Management, Technological Forecasting and Social Change, and Information Systems and e-Business Management. He has published over 70 articles in peer reviewed journals and conferences including Journal of Business Research, European Journal of Marketing, Computers in Human Behavior, Information & Management, Psychology & Marketing.

He serves as the secretary of the IFIP Working Group 6.11: Communication Aspects of the E-World. Pappas is a recipient of ERCIM and Marie Skłodowska-Curie fellowships.

Selected publications

Pappas, I. O., Mikalef, P., Giannakos, M. N., Krogstie, J., & Lekakos, G. (2018). Big data and business analytics ecosystems: paving the way towards digital transformation and sustainable societies. Information Systems and e-Business Management, 16(3).

Pappas, I. O. (2018). User experience in personalized online shopping: a fuzzy-set analysis. European Journal of Marketing, 52 (7/8), 1679-1703.

Mikalef, P., Pappas, I. O., Krogstie, J., & Giannakos, M. (2018). Big data analytics capabilities: a systematic literature review and research agenda. Information Systems and e-Business Management, 16(3), 547-578.

Berg, V., Birkeland, J., Pappas, I. O., & Jaccheri, L. (2018). The Role of Data Analytics in Startup Companies: Exploring Challenges and Barriers. In Conference on e-Business, e-Services and e-Society (pp. 205-216). Springer, Cham.

Berg, V., Birkeland, J., Nguyen-Duc, A., Pappas, I., & Jaccheri, L. (2018). Software Startup Engineering: A Systematic Mapping Study. Journal of Systems and Software.

Papamitsiou, Z., Economides, A. A., Pappas, I. O., & Giannakos, M. N. (2018, March). Explaining learning performance using response-time, self-regulation and satisfaction from content: an fsQCA approach. In Proceedings of the 8th International Conference on Learning Analytics and Knowledge (pp. 181-190). ACM.

Pappas, I., Jaccheri, L., Mikalef, P., & Giannakos, M. (2017). Social Innovation and Social Entrepreneurship through Big Data: Developing a Research Agenda. In 11th Mediterranean Conference on Information Systems (MCIS), Genoa, Italy.

Pappas, I. O., Giannakos, M. N., & Sampson, D. G. (2017). Fuzzy set analysis as a means to understand users of 21st-century learning systems: The case of mobile learning and reflections on learning analytics research. Computers in Human Behavior.

Pappas, I. O., Giannakos, M. N., Jaccheri, L., & Sampson, D. G. (2017). Assessing student behavior in computer science education with an fsQCA approach: The role of gains and barriers. ACM Transactions on Computing Education (TOCE), 17(2), 10.

Pappas, I. O., Kourouthanassis, P. E., Giannakos, M. N., & Chrissikopoulos, V. (2017). Sense and sensibility in personalized e‐commerce: How emotions rebalance the purchase intentions of persuaded customers. Psychology & Marketing, 34(10), 972-986.

Pappas, I. O., Kourouthanassis, P. E., Giannakos, M. N., & Lekakos, G. (2017). The interplay of online shopping motivations and experiential factors on personalized e-commerce: A complexity theory approach. Telematics and Informatics, 34(5), 730-742.

Pappas, I. O., Kourouthanassis, P. E., Giannakos, M. N., & Chrissikopoulos, V. (2016). Explaining online shopping behavior with fsQCA: The role of cognitive and affective perceptions. Journal of Business Research, 69(2), 794-803.

Pappas, I. O., Giannakos, M. N., & Jaccheri, L. (2016, July). Investigating factors influencing students' intention to dropout computer science studies. In Proceedings of the 2016 ACM Conference on Innovation and Technology in Computer Science Education (pp. 198-203). ACM.

Scientific publications

  • Giannakos, Michail; Sharma, Kshitij; Papavlasopoulou, Sofia; Pappas, Ilias; Kostakos, Vassilis (2020). Fitbit for learning: Towards capturing the learning experience using wearable sensing. International Journal of Human-Computer Studies. ISSN: 1071-5819. 136doi:10.1016/j.ijhcs.2019.102384.
  • Mikalef, Patrick; Pappas, Ilias; Krogstie, John; Pavlou, Paul (2019). Big data and business analytics: A research agenda for realizing business value. Information & Management. ISSN: 0378-7206. doi:10.1016/j.im.2019.103237.
  • Błachnio, Agata; Przepiorka, Aneta; Gorbaniuk, Oleg; Benvenuti, Martina; Ciobanu, Adela Magdalena; Senol-Durak, Emre; Durak, Mithat; Giannakos, Michail; Mazzoni, Elvis; Pappas, Ilias; Popa, Camelia; Seidman, Gwendolyn; Wu, Anise MS; Yu, Shu; Ben-Ezra, Menachem (2019). Cultural Correlates of Internet Addiction. CyberPsychology, Behavior and Social Networking. ISSN: 2152-2715. 22 (4). s 258 - 263. doi:10.1089/cyber.2018.0667.
  • Pappas, Ilias; Mikalef, Patrick; Giannakos, Michail; Kourouthanassis, Panos (2019). Explaining User Experience in Mobile Gaming Applications: An fsQCA Approach. Internet Research. ISSN: 1066-2243. s 293 - 314. doi:10.1108/IntR-12-2017-0479.
  • Mikalef, Patrick; Krogstie, John; Pappas, Ilias; Pavlou, Paul (2019). Exploring the relationship between big data analytics capability and competitive performance: The mediating roles of dynamic and operational capabilities. Information & Management. ISSN: 0378-7206. s 1 - 15. doi:10.1016/j.im.2019.05.004.
  • Giannakos, Michail; Sharma, Kshitij; Pappas, Ilias; Kostakos, Vassilis; Velloso, Eduardo (2019). Multimodal data as a means to understand the learning experience. International Journal of Information Management. ISSN: 0268-4012. 48s 108 - 119. doi:10.1016/j.ijinfomgt.2019.02.003.
  • Lunde, Trygve Åse; Sjusdal, Atilla Paul; Pappas, Ilias (2019). Organizational Culture Challenges of Adopting Big Data: A Systematic Literature Review. Lecture Notes in Computer Science (LNCS). ISSN: 0302-9743. 11701 LNCSs 164 - 176. doi:10.1007/978-3-030-29374-1_14.
  • Giannakos, Michail; Mikalef, Patrick; Pappas, Ilias (2019). Technology-Enhanced Organizational Learning: A Systematic Literature Review. Lecture Notes in Computer Science (LNCS). ISSN: 0302-9743. 11701 LNCSs 573 - 584. doi:10.1007/978-3-030-29374-1_46.
  • Quayyum, Farzana; Pappas, Ilias; Jaccheri, Maria Letizia (2019). The Role of Big Data in Addressing Societal Challenges: A Systematic Mapping Study. Lecture Notes in Computer Science (LNCS). ISSN: 0302-9743. 11701 LNCSs 151 - 163. doi:10.1007/978-3-030-29374-1_13.
  • Sharma, Kshitij; Pappas, Ilias; Papavlasopoulou, Sofia; Giannakos, Michail (2019). Towards Automatic and Pervasive Physiological Sensing of Collaborative Learning. A Wide Lens: Combining Embodied, Enactive, Extended, and Embedded Learning in Collaborative Settings. 13th International Conference on Computer Supported Collaborative Learning (CSCL) 2019, Volume 2.. ISBN: 978-1-7324672-4-8. International Society of the Learning Sciences. Paper.
  • Mikalef, Patrick; Krogstie, John; van de wetering, Rogier; Pappas, Ilias (2018). A Stage Model for Uncovering Inertia in Big Data Analytics Adoption. PACIS 2018 Proceedings - Opportunities and Challenges for the Digitized Society: Are We Ready? : Pacific Asia Conference on Information Systems (PACIS 2018). ISBN: 978-4-902590-83-8. Association for Information Systems. Kapittel.
  • Pappas, Ilias; Mikalef, Patrick; Giannakos, Michail; Krogstie, John; Lekakos, George (2018). Big Data and Business Analytics Ecosystems: Paving the way towards digital transformation and sustainable societies. Information Systems and E-Business Management. ISSN: 1617-9846. 16 (3). s 479 - 491. doi:10.1007/s10257-018-0377-z.
  • Vilarinho, Thomas; Floch, Jacqueline; Oliveira, Manuel Fradinho; Dinant, Inès; Pappas, Ilias; Mora, Simone (2018). Developing a Social Innovation Methodology in the Web 2.0 Era. Internet Science - INSCI 2017 International Workshops IFIN, DATA ECONOMY, DSI, and CONVERSATIONS - LNCS10750. ISBN: 978-3-319-77546-3. Springer Nature. Artikkel. s 168 - 183.
  • Pappas, Ilias; Mora, Simone; Jaccheri, Maria Letizia; Mikalef, Patrick (2018). Empowering Social Innovators through Collaborative and Experiential Learning. EDUCON 2018 - Emerging Trends and Challenges of Engineering Education Education. ISBN: 978-1-5386-2957-4. IEEE. Paper. s 1080 - 1088.
  • Vilarinho, Thomas; Pappas, Ilias; Mora, Simone; Dinant, Inès; Floch, Jacqueline; Oliveira, Manuel Fradinho; Jaccheri, Maria Letizia (2018). Experimenting a Digital Collaborative Platform for Supporting Social Innovation in Multiple Settings. Innovations for Community Services : 18th International Conference, I4CS 2018, Žilina, Slovakia, June 18-20, 2018 : Proceedings. ISBN: 978-3-319-93407-5. Springer. Artikkel. s 142 - 157.
  • Papamitsiou, Zacharoula; Economides, Anastasios; Pappas, Ilias; Giannakos, Michail (2018). Explaining learning performance using response-time, self-regulation and satisfaction from content: an fsQCA approach. LAK '18 Proceedings of the 8th International Conference on Learning Analytics and Knowledge. ISBN: 978-1-4503-6400-3. Association for Computing Machinery (ACM). Full Papers. s 181 - 190.
  • Giannakos, Michail; Mikalef, Patrick; Pappas, Ilias (2018). Influence of Data Analysis, Entrepreneurial and Business Skills on Information Technology Firms: A Dynamic Capabilities Approach. Proceedings of the Annual Hawaii International Conference on System Sciences (HICSS). ISSN: 1530-1605. s 4329 - 4338. doi:10.24251/HICSS.2018.546.
  • Mikalef, Patrick; Krogstie, John; van de wetering, Rogier; Pappas, Ilias (2018). Information Governance in the Big Data Era: Aligning Organizational Capabilities. Proceedings of the 51st Hawaii International Conference on System Sciences 2018 (HICSS-51). ISBN: 978-0-9981331-1-9. Association for Information Systems. Chapter. s 4911 - 4920.
  • Berg, Vebjørn; Birkeland, Jørgen; Nguyen Duc, Anh; Pappas, Ilias; Jaccheri, Maria Letizia (2018). Software Startup Engineering: A Systematic Mapping Study. Journal of Systems and Software. ISSN: 0164-1212. 144s 255 - 274. doi:10.1016/j.jss.2018.06.043.
  • Mikalef, Patrick; Giannakos, Michail; Pappas, Ilias; Krogstie, John (2018). The human side of big data: Understanding the skills of the data scientist in education and industry. IEEE Global Engineering Education Conference, EDUCON. ISSN: 2165-9559. 2018-Aprils 503 - 512. doi:10.1109/EDUCON.2018.8363273.
  • Berg, Vebjørn; Birkeland, Jørgen; Pappas, Ilias; Jaccheri, Maria Letizia (2018). The role of data analytics in startup companies: Exploring challenges and barriers. 17th IFIP WG 6.11 Conference on e-Business, e-Services, and e-Society, I3E 2018 Proceedings. ISBN: 978-3-030-02131-3. Springer. 11195 LNCS. s 205 - 216.
  • Pappas, Ilias (2018). User experience in personalized online shopping: a fuzzy-set analysis. European Journal of Marketing. ISSN: 0309-0566. 52 (7-8). s 1679 - 1703. doi:10.1108/EJM-10-2017-0707.
  • Pappas, Ilias; Papavlasopoulou, Sofia; Giannakos, Michail; Sampson, Demetrios G. (2017). An Exploratory Study on the Influence of Cognitive and Affective Characteristics in Programming-Based Making Activities. 2017 IEEE 17th International Conference on Advanced Learning Technologies (ICALT). ISBN: 978-1-5386-3870-5. IEEE. Full Paper. s 507 - 511.
  • Pappas, Ilias; Giannakos, Michail; Jaccheri, Maria Letizia; Sampson, Demetrios G (2017). Assessing Student Behavior in Computer Science Education with an fsQCA Approach: The Role of Gains and Barriers. ACM Transactions on Computing Education. ISSN: 1946-6226. 17 (2). doi:10.1145/3036399.
  • Mikalef, Patrick; Pappas, Ilias; Krogstie, John; Giannakos, Michail (2017). Big data analytics capabilities: a systematic literature review and research agenda. Information Systems and E-Business Management. ISSN: 1617-9846. s 1 - 32. doi:10.1007/s10257-017-0362-y.
  • Mikalef, Patrick; Giannakos, Michail; Pappas, Ilias (2017). Designing social commerce platforms based on consumers ’ intentions. Behaviour and Information Technology. ISSN: 0144-929X. 36 (12). s 1308 - 1327. doi:10.1080/0144929X.2017.1386713.
  • Mikalef, Patrick; Pappas, Ilias; Giannakos, Michail; Sharma, Kshitij (2017). Determining consumer engagement in word-of-mouth: Trust and network ties in a social commerce setting. Lecture Notes in Computer Science (LNCS). ISSN: 0302-9743. 10595 LNCSs 351 - 362. doi:10.1007/978-3-319-68557-1_31.
  • Pappas, Ilias; Kourouthanassis, Panos; Papavlasopoulou, Sofia; Chrissikopoulos, Vassilios (2017). Emotions in Motion: The Combined Effect of Positive and Negative Emotions on Personalised E-Commerce. International Journal of Online Marketing. ISSN: 2156-1753. 7 (1). s 64 - 77. doi:10.4018/IJOM.2017010104.
  • Kourouthanassis, Panos; Mikalef, Patrick; Pappas, Ilias; Kostagiolas, Petros (2017). Explaining travellers online information satisfaction: A complexity theory approach on information needs, barriers, sources and personal characteristics. Information & Management. ISSN: 0378-7206. 54 (6). s 814 - 824. doi:10.1016/j.im.2017.03.004.
  • Pappas, Ilias; Giannakos, Michail; Sampson, Demetrios G. (2017). Fuzzy set analysis as a means to understand users of 21st-century learning systems: The case of mobile learning and reflections on learning analytics research. Computers in Human Behavior. ISSN: 0747-5632. doi:/10.1016/j.chb.2017.10.010.
  • Pappas, Ilias; Mikalef, Patrick; Kourouthanassis, Panos; Giannakos, Michail (2017). Fuzzy-Set Analysis to Understand User Experience in Mobile Applications. The 23rd Americas Conference on Information Systems (AMCIS). ISBN: 978-0-9966831-4-2. Association for Information Systems. Conference proceedings.
  • Giannakos, Michail; Aalberg, Trond; Divitini, Monica; Jaccheri, Maria Letizia; Mikalef, Patrick; Pappas, Ilias; Sindre, Guttorm (2017). Identifying Dropout Factors in Information Technology Education: A Case Study. IEEE Global Engineering Education Conference, EDUCON. ISSN: 2165-9559. s 1187 - 1194. doi:10.1109/EDUCON.2017.7942999.
  • Pappas, Ilias; Giannakos, Michail; Mikalef, Patrik (2017). Investigating students’ use and adoption of with-video assignments: lessons learnt for video-based open educational resources. Journal of Computing in Higher Education. ISSN: 1042-1726. doi:10.1007/s12528-017-9132-6.
  • Pappas, Ilias; Cetusic, Luka; Giannakos, Michail; Jaccheri, Maria Letizia (2017). Mobile learning adoption through the lens of complexity theory and fsQCA. IEEE Global Engineering Education Conference, EDUCON. ISSN: 2165-9559. s 536 - 541. doi:10.1109/EDUCON.2017.7942898.
  • Pappas, Ilias; Papavlasopoulou, Sofia; Kourouthanassis, Panos; Mikalef, Patrick; Giannakos, Michail (2017). Motivations and emotions in social media: Explaining users' satisfaction with FsQCA. Lecture Notes in Computer Science (LNCS). ISSN: 0302-9743. 10595 LNCSs 375 - 387. doi:10.1007/978-3-319-68557-1_33.
  • Mikalef, Patrick; Sharma, Kshitij; Pappas, Ilias; Giannakos, Michail (2017). Online reviews or marketer information? An eye-tracking study on social commerce consumers. Lecture Notes in Computer Science (LNCS). ISSN: 0302-9743. 10595 LNCSs 388 - 399. doi:10.1007/978-3-319-68557-1_34.
  • Pappas, Ilias; Kourouthanassis, Panos; Giannakos, Michail; Chrissikopoulos, Vassilios (2017). Sense and sensibility in personalized e-commerce: How emotions rebalance the purchase intentions of persuaded customers. Psychology & Marketing. ISSN: 0742-6046. 34 (10). s 972 - 986. doi:10.1002/mar.21036.
  • Pappas, Ilias; Jaccheri, Maria Letizia; Mikalef, Patrick; Giannakos, Michail (2017). Social Innovation And Social Entrepreneurship Through Big Data: Developing A Reseach Agenda. The 11th Mediterranean Conference on Information Systems (MCIS). ISBN: 979-12-200-2287-3. Association for Information Systems. 12.
  • Pappas, Ilias; Mikalef, Patrik; Giannakos, Michail; Krogstie, John; Lekakos, George (2017). Social Media and Analytics for Competitive Performance: A Conceptual Research Framework. Lecture Notes in Business Information Processing. ISSN: 1865-1348. 263s 209 - 218. doi:10.1007/978-3-319-52464-1_19.
  • Giannakos, Michail; Pappas, Ilias; Mikalef, Patrick (2017). The role of contemporary skills in information technology professionals: An FsQCA approach. Lecture Notes in Computer Science (LNCS). ISSN: 0302-9743. 10595 LNCSs 485 - 496. doi:10.1007/978-3-319-68557-1_43.
  • Pappas, Ilias; Mikalef, Patrick; Giannakos, Michail; Pavlou, Paul (2017). Value Co-Creation and Trust in Social Commerce: An fsQCA approach. The 25th European Conference on Information Systems (ECIS). ISBN: 978-989-207655-3. Association for Information Systems. ECIS.
  • Mikalef, Patrick; Pappas, Ilias; Giannakos, Michail (2017). Value co-creation and purchase intention in social commerce: The enabling role of word-of-mouth and trust. The 23rd Americas Conference on Information Systems (AMCIS). ISBN: 978-0-9966831-4-2. Association for Information Systems. Conference proceedings.
  • Mikalef, Patrick; Pappas, Ilias; Giannakos, Michail (2016). An integrative adoption model of video-based learning. The international journal of information and learning technology. ISSN: 2056-4880. 33 (4). s 219 - 235. doi:10.1108/IJILT-01-2016-0007.
  • Błachnio, Agata; Przepiorka, Aneta; Benvenuti, Martina; Cannata, Davide; Ciobanu, Adela Magdalena; Senol-Durak, Emre; Durak, Mithat; Giannakos, Michail; Mazzoni, Elvis; Pappas, Ilias; Popa, Camelia; Seidman, Gwendolyn; Yu, Shu; Wu, Anise M.S.; Ben-Ezra, Menachem (2016). An international perspective on Facebook intrusion. Psychiatry Research. ISSN: 0165-1781. 242s 385 - 387. doi:10.1016/j.psychres.2016.06.015.
  • Mikalef, Patrik; Pappas, Ilias; Giannakos, Michail; Krogstie, John; Lekakos, George (2016). Big Data and Strategy: A research Framework. THE 10th MEDITERRANEAN CONFERENCE ON INFORMATION SYSTEMS (MCIS 2016). ISBN: 978-9963-711-42-0. Association for Information Systems. MCIS.
  • Mikalef, Patrik; Pappas, Ilias; Giannakos, Michail (2016). Consumer intentions on social media: A fsQCA analysis of motivations. Lecture Notes in Computer Science (LNCS). ISSN: 0302-9743. 9844s 371 - 386. doi:10.1007/978-3-319-45234-0_34.
  • Błachnio, Agata; Przepiorka, Aneta; Benvenuti, Martina; Cannata, Davide; Ciobanu, Adela Magdalena; Senol-Durak, Emre; Durak, Mithat; Giannakos, Michail; Mazzoni, Elvis; Pappas, Ilias; Popa, Camelia; Seidman, Gwendolyn; Yu, Shu; Wu, Anise M.S.; Ben-Ezra, Menachem (2016). Cultural and Personality Predictors of Facebook Intrusion: A Cross-Cultural Study. Frontiers in Psychology. ISSN: 1664-1078. 7 (1895). s 1 - 9. doi:10.3389/fpsyg.2016.01895.
  • Pappas, Ilias; Aalberg, Trond; Giannakos, Michail; Jaccheri, Maria Letizia; Mikalef, Patrik; Sindre, Guttorm (2016). Gender Differences in Computer Science Education: Lessons Learnt from an Empirical Study at NTNU. NIK: Norsk Informatikkonferanse. ISSN: 1892-0713.
  • Pappas, Ilias; Giannakos, Michail; Jaccheri, Maria Letizia (2016). Investigating Factors Influencing Students' Intention to Dropout Computer Science Studies. Proceedings of the 2016 ACM Conference on Innovation and Technology in Computer Science Education. ISBN: 978-1-4503-4231-5. Association for Computing Machinery (ACM). CS Education Research. s 198 - 203.
  • Pappas, Ilias; Giannakos, Michail; Sampson, Demetrios G. (2016). Making Sense of Learning Analytics with a Configurational Approach. CEUR Workshop Proceedings. ISSN: 1613-0073. 1579s 42 - 52.
  • Leftheriotis, Ioannis; Giannakos, Michail; Pappas, Ilias (2016). Social Media Use For Work: Does Work Experience Really Matter?. THE 10th MEDITERRANEAN CONFERENCE ON INFORMATION SYSTEMS (MCIS 2016). ISBN: 978-9963-711-42-0. Association for Information Systems. MCIS.
  • Pappas, Ilias; Kourouthanassis, Panos; Giannakos, Michail; Lekakos, George (2016). The interplay of online shopping motivations and experiential factors on personalized e-commerce: A complexity theory approach. Telematics and informatics. ISSN: 0736-5853. doi:10.1016/j.tele.2016.08.021.
  • Giannakos, Michail; Pappas, Ilias; Jaccheri, Maria Letizia; Sampson, Demetrios G. (2016). Understanding student retention in computer science education: The role of environment, gains, barriers and usefulness. Education and Information Technologies : Official Journal of the IFIP technical committee on Education. ISSN: 1360-2357. s 1 - 18. doi:10.1007/s10639-016-9538-1.
  • Pappas, Ilias; Mikalef, Patrik; Giannakos, Michail (2016). User Experience in Personalized E-Commerce: A Configurational Approach. AMCIS 2016 Proceedings, San Diego CA, August 11-14, 2016. ISBN: 978-0-9966831-2-8. Association for Information Systems. HCI.
  • Pappas, Ilias; Mikalef, Patrick; Giannakos, Michail (2016). Video-Based Learning Adoption: A typology of learners. CEUR Workshop Proceedings. ISSN: 1613-0073. 1579s 34 - 41.
  • Pappas, Ilias; Mikalef, Patrick; Dwivedi, Yogesh K.; Jaccheri, Maria Letizia; Krogstie, John; Mäntymäki, M (2020). Digital Transformation for a Sustainable Society in the 21st Century: I3E 2019 IFIP WG 6.11 International Workshops Trondheim, Norway, September 18–20, 2019 Revised Selected Papers. ISBN: 978-3-030-39633-6. Springer. s 177.
  • Pappas, Ilias; Mikalef, Patrick; Dwivedi, Yogesh K.; Jaccheri, Maria Letizia; Krogstie, John; Mäntymäki, Matti (2019). Digital Transformation for a Sustainable Society in the 21st Century. 18th IFIP WG 6.11 Conference on e-Business, e-Services, and e-Society, I3E 2019, Trondheim, Norway, September 18–20, 2019, Proceedings. ISBN: 978-3-030-29374-1. Springer Publishing Company. s 811.

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