Tag Archives: analytics

Observations and Strategies of Online Teaching

Last update: April 21, 2021

All of a sudden, instructors are in the situation to teach online. I am taking this opportunity to develop a hybrid model for effective teaching. In this post, I will summarize my observations, experiences, and possible solutions. A caveat is that I teach “technical” courses in business analytics, so some of the issues I discussed here may not be directly applicable to “qualitative” courses. Also, note that this post is a work-in-progress and may be updated in the future.

  1. Reading the class
    1. One challenge in online lectures is that it is hard to “read the class”.
    2. We can ask students to turn on their videos so that instructors can see their facial expressions and catch non-verbal cues.
    3. We can use the chat/poll features to get instant, short feedbacks (even shy students feel comfortable sharing their thoughts in this textual mode).
    4. Now that all class activities are online, instructors have access to detailed analytics data that can be used to read the class throughout the course (not necessarily an individual class meeting).
  2. Effectively delivering materials
    1. In an online situation, the attention span is really short. Thus we need to chunk lectures into 20-30 min pieces with 10-15 min lecture + 10-15 min individual/group exercise.
    2. The breakout group feature works really well. Students can clarify issues with each other during the breakout group time. TAs can help in this process as well.
    3. Sometimes, students may ask some “out-of-scope” questions. In online sessions, we can let TAs find the relevant information and post it in an online Q&A forum (I use Piazza).
    4. Just like in offline teaching, TAs and instructors can hold virtual office hours. Sharing screen works really well.
  3. Building high-touch community
    1. One of the downsides of having online classes is that students don’t have opportunities to build a personal connection with the professor and with each other.
    2. We can create “introduction videos” to build relationships.
    3. For ice-breaking purposes, when starting the online lecture session, instructors can enter the session 5-10 min before the lecture starts (just like we do in offline lectures).
    4. Online forums (e.g., Piazza) can facilitate peer interactions.
    5. Finally, online environments allow us to invite virtually any guest speakers from all around the world. We can easily invite high-profile speakers and alumni to online class sessions. Universities can create a lot of value by leveraging the alumni network.
  4. Course participation
    1. One challenge I faced was the objective measure of the course participation events. I recorded all the chat history and asked TAs to count how many times each student verbally asked questions or made comments. As I used Piazza as the Q&A forum, I also incorporated the question/comment/endorsement counts from its analytics data.
    2. Some students questioned if we can use in-class chats or virtual office hour visits are counted. Whichever option an instructor chose, it has to be clearly stated in the course outline to avoid any confusion.
  5. Exam
    1. I used an open book/note exam given the nature of the subject.
    2. To avoid the possibility of collusion, I created multiple question banks for each subject and difficulty level. In Canvas, the exam is dynamically generated by picking random questions from the question banks. To implement this, I had to create 3x exam questions than a paper-based exam. In Canvas, the order of multiple choice answers can be randomized as well.
    3. One challenge is to inform students of any clarification issues in the exam. In case one student found an issue with the exam, it is hard to share this information with the whole class. So I decided not to handle any content issues during the exam time.

Corporate Social Network Analysis: A Deep Learning Approach

Cao, Rui, Gene Moo Lee, Hasan Cavusoglu. “Corporate Social Network Analysis: A Deep Learning Approach,” Working Paper.

Identifying inter-firm relationships is critical in understanding the industry landscape. However, due to the dynamic nature of such relationships, it is challenging to capture corporate social networks in a scalable and timely manner. To address this issue, this research develops a framework to build corporate social network representations by applying natural language processing (NLP) techniques on a corpus of 10-K filings, describing the reporting firms’ perceived relationships with other firms. Our framework uses named-entity recognition (NER) to locate the corporate names in the text, topic modeling to identify types of relationships included, and BERT to predict the type of relationship described in each sentence. To show the value of the network measures created by the proposed framework, we conduct two empirical analyses to see their impacts on firm performance. The first study shows that competition relationship and in-degree measurements on all relationship types have prediction power in estimating future earnings. The second study focuses on the difference between individual perspectives in an inter-firm social network. Such a difference is measured by the direction of mentions and is an indicator of a firm’s success in network governance. Receiving more mentions from other firms is a positive signal to network governance and it shows a significant positive correlation with firm performance next year.

IS Papers on Big Data, Analytics, and AI

Last update: Feb 27, 2022

My research involves Big Data Analytics and AI in Information Systems literature. This post tries to keep track of the editorial and seminal articles on the topic of Big Data, Data Science, Analytics, and AI in the Information Systems and Management literature. The papers are listed in chronological order:

  1. Bapna, Goes, Gopal, Marsden (2006) Moving from Data-Constrained to Data-Enabled Research: Experiences and Challenges in Collecting, Validating and Analyzing Large-Scale e-Commerce Data, Statistical Science 21(2): 116-130.
  2. Shmueli and Koppius (2011) Predictive Analytics in Information Systems Research, MIS Quarterly 35(3): 553-572
  3. Chen, Chiang, Storey, (2012) Business Intelligence and Analytics: From Big Data to Big Impact, MIS Quarterly 36(4): 1164-1188
  4. Lin, Lucas Jr., Shmueli (2013) Research Commentary: Too Big to Fail: Large Samples and the p-Value Problem, Information Systems Research 24(4): 906-917.
  5. Agarwal, Dhar (2014) Editorial – Big Data, Data Science, and Analytics: The Opportunity and Challenge for IS Research, Information Systems Research 25(3): 443-448
  6. Varian (2014) Big Data: New Tricks for Econometrics, Journal of Economic Perspectives 28(2): 3-28
  7. Goes (2014) Editor’s Comments: Big Data and IS Research, MIS Quarterly 38(3): iii-viii
  8. AMJ Editors (2016) From the Editors: Big Data and Data Science Methods for Management Research, Academy of Management Journal 59(5): 1493-1507
  9. Abbasi, Sarker, Chiang (2016) Big Data Research in Information Systems: Toward an Inclusive Research Agenda, Journal of the Association for Information Systems 17(2): i-xxxii
  10. Rai (2016) Editor’s Comments: Synergies Between Big Data and Theory, MIS Quarterly 40(2): iii-ix
  11. Baesens, Bapna, Marsden, Vanthienen, Zhao (2016) Transformational Issues of Big Data and Analytics in Networked Business, MIS Quarterly 40(4): 807-818
  12. Athey (2017) Beyond Prediction: Using Big Data for Policy Problems, Science 355(6324): 483-485
  13. Chiang, Grover, Liang, Zhang (2018) Special Issue: Strategic Value of Big Data and Business Analytics, Journal of Management Information Systems 35(2): 383-387
  14. Delen, Ram (2018) Research challenges and opportunities in business analytics, Journal of Business Analytics 1(1): 2-12.
  15. Maass, Parsons, Puraro, Storey, Woo (2018) Data-Driven Meets Theory-Driven Research in the Era of Big Data: Opportunities and Challenges for Information Systems Research, Journal of the Association for Information Systems 19(12): 1253-1273
  16. Yang, Adomavicius, Burtch, Ren (2018) Mind the Gap: Accounting for Measurement Error and Misclassification in Variables Generated via Data Mining, Information Systems Research 29(1): 4-24.
  17. Berente, Seidel, Safadi (2019) Research Commentary: Data-Driven Computationally Intensive Theory Development, Information Systems Research 30(1), 50-64.
  18. Johnson, Gray, Sarker (2019) Revisiting IS Research Practice in the Era of Big Data, Information and Organization 29(1): 41-56
  19. Grover, Lindberg, Benbasat, Lyytinen (2020) The Perils and Promises of Big Data Research in Information Systems, Journal of the Association for Information Systems 21(2): 268-291.
  20. Shmueli (2021) INFORMS Journal of Data Science (IJDS) Editorial #1: What is an IJDS paper?, INFORMS Journal of Data Science.
  21. Ram, Goes (2021) Focusing on Programmatic High Impact Information Systems Research, not Theory, to Address Grand Challenges, MIS Quarterly 45(1): 479-483.
  22. Burton-Jones, Boh, Oborn, Padmanabhan (2021) Editor’s Comments: Advancing Research Transparency at MIS Quarterly: A Pluralistic Approach, MIS Quarterly 45(2): iii-xviii.
  23. Berente, Gu, Recker, Santhanam (2021) Special Issue Editor’s Comments: Managing Artificial Intelligence, MIS Quarterly 45(3): 1433-1450.
  24. Jain, Padmanabhan, Pavlou, Raghu (2021) Editorial for the Special Section on Humans, Algorithms, and Augmented Intelligence: The Future of Work, Organizations, and Society, Information Systems Research 32(3): 675-687.
  25. Padmanabhan, Fang, Sahoo, Burton-Junes (2022) Editor’s Comments: Machine Learning in Information Systems Research, MIS Quarterly 46(1): iii-xix.