All Publications

1. To Label or Not to Label: Hybrid Active Learning for Neural Machine Translation

Abdul Hameed Azeemi, Ihsan Ayyub Qazi, Agha Ali Raza

The 31st International Conference on Computational Linguistics: COLING 2025

2. Efficient Datacenter Load Balancing with Microslices

Hafiza Ramzah Rehman, Sana Mahmood, Syed Mohammad Irteza, Fahad Rafique Dogar, Ihsan Ayyub Qazi

IFIP Networking 2025

3. Deepfake Defense: Constructing and Evaluating a Specialized Urdu Deepfake Audio Dataset

Sheza Munir, Wassay Sajjad, Mukeet Raza, Emaan M. Abbas, Abdul Hameed Azeemi, Ihsan Ayyub Qazi, Agha Ali Raza

Findings of the Association for Computational Linguistics: ACL 2024

4. Of Choices and Control - A Comparative Analysis of Government Hosting

Rashna Kumar, E. Carismo, L. D. Angelis, M. Buzzone, F. E. Bustamante, Ihsan Ayyub Qazi, M. G. Beiro

ACM IMC 2024, Spain, November, 2024 (acceptance rate = 21.7%) [🎙️ NotebookLM-Generated Audio Podcast] 

5. Analyzing Ad Exposure and Content in Child-Oriented Videos on YouTube

Emaan B. Khan, Nida Tanveer, Aima Shahid, M. Jaffer Iqbal, H. Ali Mirza, A. Javed, Ihsan Ayyub Qazi, Zafar Ayyub Qazi

The ACM Web Conference 2024, Singapore, May 2024 (TheWebConf, formerly WWW) (acceptance rate = 20%) [LinkedIn thread, Twitter thread] [🎙️ NotebookLM-Generated Audio Podcast]

6. Uncovering the Hidden Data Costs of Mobile YouTube Video Ads

Emaan Atique, Saad Sher Alam, Harris Ahmad, Ihsan Ayyub Qazi, Zafar Ayyub Qazi

The ACM Web Conference 2024, Singapore, May 2024 (TheWebConf, formerly WWW) (acceptance rate = 20%)

7. Representative Subset Selection for Efficient Fine-Tuning in Self-Supervised Speech Recognition

Abdul Hameed Azeemi, Ihsan Ayyub Qazi and Agha Ali Raza

In NeurIPS 2023 Workshop on Efficient Natural Language and Speech Processing

8. Data Pruning for Efficient Model Pruning in Neural Machine Translation

Abdul Hameed Azeemi, Ihsan Ayyub Qazi and Agha Ali Raza

Findings of the Association for Computational Linguistics: Empirical Methods in Natural Language Processing (EMNLP) 2023

9. A Framework for Improving Web Affordability and Inclusiveness

Rumaisa Habib,  Sarah Tanveer, Aimen Inam, H. Ahmed, Ayesha Ali, Zartash Uzmi, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

ACM SIGCOMM 2023, New York, USA, September 2023 [LinkedIn thread, Twitter thread] [🎙️ NotebookLM-Generated Audio Podcast] 

10. Learning Fast and Slow: Towards Inclusive Federated Learning

Muhammad Tahir Munir, Muhammad Mustansar Saeed, Mahad Ali, Zafar Ayyub Qazi, Agha Ali Raza, Ihsan Ayyub Qazi

European Conference on Machine Learning & Principles and Practice of Knowledge Discovery in Databases (ECML-PKDD) 2023, Torino, Italy, September 2023 [LinkedIn thread]

11. Countering Misinformation on Social Media Through Educational Interventions: Evidence from a Randomized Experiment in Pakistan

Ayesha Ali and Ihsan Ayyub Qazi

Journal of Development Economics, Volume 163, 2023, 103108, ISSN 0304-3878 [🎙️ NotebookLM-Generated Audio Podcast] (Citations: 47+)

12. Self-Supervised Dataset Pruning for Efficient Training in Audio Anti-spoofing

Abdul Hameed Azeemi, Ihsan Ayyub Qazi and Agha Ali Raza

INTERSPEECH 2023, Dublin, Ireland, August 2023

13. A First Look at Public Service Websites from the Affordability Lens 

Rumaisa Habib, Aimen Inam, Ayesha Ali, Ihsan Ayyub Qazi, and Zafar Ayyub Qazi

The ACM Web Conference 2023, Austin, USA, April-May 2023 (TheWebConf, formerly WWW) [LinkedIn thread]

14. Validated Digital Literacy Measures for Populations with Low Levels of Internet Experiences 

Ayesha Ali, Agha Ali Raza, and Ihsan Ayyub Qazi

Development Engineering – The Journal of Engineering in Economic Development (Dev Eng), Volume 8, 2023, 100107, ISSN 2352-7285 (14 pages) [Twitter thread] [🎙️ NotebookLM-Generated Audio Podcast] (Citations: 57+)

15. Digital Literacy and Vulnerability to Misinformation: Evidence from Facebook Users in Pakistan

Ayesha Ali and Ihsan Ayyub Qazi

Journal of Quantitative Description: Digital Media, 2, 1–38, 2022 [Twitter thread]

16. Coal Not Diamonds: How Memory Pressure Falters Mobile Video QoE

Talha Waheed, Zahaib Akhtar, Ihsan Ayyub Qazi, Zafar Ayyub Qazi

ACM CoNEXT 2022, Italy, December 2022  (acceptance rate = 19.2%)

17. Causal Impact of Android Go on Mobile Web Performance

Muhammad Abdullah, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

ACM IMC 2022, France, October 2022  (acceptance rate = 26.4%)

18. Cognitive reflection is associated with greater truth discernment for COVID-19 headlines, less trust but greater use of formal information sources, and greater willingness to pay for masks among social media users in Pakistan

Ayesha Ali and Ihsan Ayyub Qazi

Harvard Kennedy School Misinformation Review, 3(4), ISSN: 2766-1652, July 2022 [Twitter thread]

19. Dataset Pruning for Resource-constrained Spoofed Audio Detection

Abdul Hameed Azeemi, Ihsan Ayyub Qazi and Agha Ali Raza

INTERSPEECH 2022, Incheon, Korea, September 2022

20. Using Self Attention DNNs to Discover Phonemic Features for Audio Deep Fake Detection

Hira Yasin Dhamyal, Ayesha Ali, Ihsan Ayyub Qazi and Agha Ali Raza

IEEE Automatic Speech Recognition and Understanding (ASRU) 2021, Colombia, December 2021

21. Rethinking Web for Affordability and Inclusion

Ihsan Ayyub Qazi, Zafar Ayyub Qazi, Ayesha Ali, Muhammad Abdullah, Rumaisa Habib

ACM HotNets 2021, November 2021 (acceptance rate = 30.7%) [Twitter thread]

22. Fake Audio Detection in Resource-constrained Settings using Microfeatures

Hira Yasin Dhamyal, Ayesha Ali, Ihsan Ayyub Qazi and Agha Ali Raza

INTERSPEECH 2021, Czech Republic, Aug-Sept 2021

23. Deconstructing Google’s Web Light Service

Ammar Tahir, Shaiq Munir Malik, Muhammad Tahir Munir, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

WWW 2020, Taipei, Taiwan, April 2020 (acceptance rate = 19%)

24. MissIt: Using Missed Calls for Free, Extremely Low Bit-Rate Communication in Developing Regions

Ihsan Ayyub Qazi*, Fahad Dogar*, Ali Raza Tariq, Ghulam Murtaza, Abeer Ahmad, Nathan Stocking

ACM CHI Conference on Human Factors in Computing Systems 2020, Honolulu, Hawaii, USA, April 2020 (acceptance rate = 24%) [*joint first authors]

25. Mobile Web Browsing Under Memory Pressure

Ihsan Ayyub Qazi, Zafar Ayyub Qazi, T. Benson, Ehsan Latif, Abdul Manan, G. Murtaza, M. Abrar Tariq

ACM SIGCOMM Computer Communication Review (CCR). Rev. 50, 4 (October 2020), 35–48.

26. Reducing Tail Latency using Duplication: A Multi-Layered Approach  

H. Mohsin Bashir, Abdullah Bin Faisal, Asim Jamshed, P. Vondras, Ali Musa, Ihsan A. Qazi, Fahad Dogar

ACM CoNEXT 2019, Orlando, USA, December 2019 (acceptance rate = 17%)

27. Understanding the Effect of Digital Literacy on the Spread of Misinformation: Evidence from Pakistan

Ayesha Ali and Ihsan Ayyub Qazi

AEA Annual Meetings, January 2020 (Poster Presentation)

28. The Economic Impact of Internet Censorship

Ayesha Ali and Ihsan Ayyub Qazi

AEA Annual Meetings, January 2020 (Poster Presentation)

29. Device-Aware Adaptive Video Streaming

Arsalan Ali Jumani, Fizza Zafar, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

ACM SIGCOMM 2019, China, August 2019 (poster)

30. RecFlow: SDN-based Receiver-driven Flow Scheduling in Datacenters

Aadil Zia Khan and Ihsan Ayyub Qazi

Cluster Computing 2019

31. Scylla: Interleaving Multiple IoT Stacks on a Single Radio

Hassan Iqbal, Muhammad Hamad Alizai, Ihsan Ayyub Qazi, Olaf Landsiedel, Zartash Afzal Uzmi

ACM CoNEXT 2018, Greece, December 2018 (acceptance rate = 17%)

32. Workload Adaptive Flow Scheduling

Abdullah Bin Faisal, Hafiz Mohsin Bashir, Ihsan Ayyub Qazi, Zartash Afzal Uzmi, Fahad Rafique Dogar

ACM CoNEXT 2018, Greece, December 2018 (acceptance rate = 17%; Citations: 12+) [A Note of Reflection]

33. Unraveling Poor Video Streaming Experiences in the Developing World

Arsalan Ali Jumani, Fizza Zafar, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

ACM IMC 2018, Boston, USA, November 2018 (poster)

34. Untangling Web Browsing on Low-end Mobile Devices

Ihsan Ayyub Qazi, Zafar A. Qazi, Theophilus Benson, Z. Farooq, A. Haamid, Sohaib Ahmad, Bismah Babar

ACM IMC 2018, Boston, USA, November 2018 (poster)

35. Incentivizing Censorship Measurements via Circumvention

Aqib Nisar, Aqsa Kashaf, Ihsan Ayyub Qazi, Zartash Afzal Uzmi

ACM SIGCOMM 2018, Budapest, Hungary, August 2018 (acceptance rate = 18%, Citations: 12+)

36. Can We Design Ethically Sound Yet Effective Internet Censorship Measurement Platforms?

Ihsan Ayyub Qazi

NSDI 2018, Renton, USA, April 2018 (poster)

37. Efficient Load Balancing Over Asymmetric Datacenter Topologies

Syed M. Irteza, Hafiz Mohsin Bashir, Talal Anwar, Ihsan Ayyub Qazi, Fahad R. Dogar

Elsevier Computer Communications, May 2018 (Citations: 11+)

38. Online Advertising under Internet Censorship

Hira Javaid, Hafiz Kamran Khalil, Zartash Afzal Uzmi, Ihsan Ayyub Qazi

ACM HotNets 2017, Palo Alto, USA, November 2017 (acceptance rate = 21.8%)

39. Inside the Walled Garden: Deconstructing Facebook's Free Basics Program

Rijurekha Sen, Sohaib Ahmad, A. Phokeer, Z. Farooq, Ihsan Qazi, David Choffnes, K. Gummadi

ACM SIGCOMM Computer Communication Review (CCR), October 2017 (Best Paper Award) [Citations: 37+]

40. Bringing Data to Facebook’s Free Basics Debate

Rijurekha Sen, Siddharth Singh, Vedant Nanda, Sohaib Ahmad, S. Sengupta, Amreesh Phokeer, Zaid Farooq, Taslim Khan, P. Kumaraguru, Ihsan Ayyub Qazi, David Choffnes, Krishna P. Gummadi

ACM SIGMETRICS 2017, Illinois, USA, June 2017 (poster)

41. Load Balancing Over Symmetric Virtual Topologies

Syed M. Irteza, Hafiz Mohsin Bashir, Talal Anwar, Ihsan Ayyub Qazi, Fahad R. Dogar

IEEE INFOCOM 2017, Atlanta, USA, May 2017 (acceptance rate = 20.9%, Citations: 10+)

42. DRIBS: Flow Scheduling over Asymmetric Datacenter Topologies

Tooba Ahsen, Fatima Tariq, M. Tirmazi, Ifrah Idrees, Zafar Qazi, Ihsan Qazi, Zartash Uzmi

NSDI 2017, Boston, MA, USA, March 2017 (poster)

43. Receiver-driven Flow Scheduling for Commodity Datacenters

Aadil Zia Khan and Ihsan Ayyub Qazi

IEEE ICC 2017, Paris, France, May 2017

44. PASE: Synthesizing Existing Transport Strategies for Datacenter Networks

Ali Munir, Ghufran Baig, Syed M. Irteza, Ihsan Ayyub Qazi, Alex Liu, Fahad R. Dogar

IEEE/ACM Transactions on Networking, 25(1): 320-334, February 2017

45. SlickFi: A Service Differentiation Scheme for High-Speed WLANs using Dual Radio APs

Kamran Nishat, Farrukh Javed, Saim Salman, Nofel Yaseen, Ans Fida, Ihsan Ayyub Qazi

ACM CoNEXT 2016, Irvine, USA, December 2016 (acceptance rate = 18%)

46. Towards a Redundancy Aware Network Stack

Ali Musa Iftikhar, Fahad Rafique Dogar, Ihsan Ayyub Qazi

ACM HotNets 2016, Atlanta, USA, November 2016 (acceptance rate = 27.8%, Citations: 12+)

47. A View from the Other Side: Understanding Mobile Phone Characteristics in the Developing World

Sohaib Ahmad, Abdul Haamid, Zafar A. Qazi, Zhenyu Zhou, Theophilus Benson, Ihsan A. Qazi

ACM IMC 2016, Santa Monica, USA, November 2016 (acceptance rate = 25%, Citations: 46+)

48. Low-Carb: A Practical Scheme for Improving Energy Efficiency in Cellular Networks

M. Saqib Ilyas, Ihsan Ayyub Qazi, Bilal Rassool, Zartash Afzal Uzmi

Elsevier Computer Communications, 94: 72-84, 2016

49. A Case for Marrying Censorship Measurements with Circumvention

Aqib Nisar, Aqsa Kashaf, Zartash Afzal Uzmi, Ihsan Ayyub Qazi

ACM HotNets 2015, Philadelphia, USA, November 2015 (acceptance rate = 18%)

50. Mitigating Datacenter Incast Congestion Using RTO Randomization

Ubaid Hafeez, Aqsa Kashaf, Q. Bajwa, Aisha Mushtaq, Hassan Zaidi, Ihsan Qazi, Zartash Afzal Uzmi

IEEE GLOBECOM 2015, San Diego, USA, December 2015

51. eSDN: Rethinking Datacenter Transports Using End-Host SDN Controllers

Hasnain Ali Pirzada, M. Raza Mahboob, Ihsan Ayyub Qazi

ACM SIGCOMM Computer Communication Review (CCR). Rev. 45, 4 (October 2015), 605–606.

52. Friends, not Foes — Synthesizing Existing Data Center Transport Strategies in PASE

Ali Munir, Ghufran Baig, Syed Irteza, Ihsan Ayyub Qazi, Fahad Dogar, Alex Liu.

ACM SIGCOMM 2014, Chicago, USA, August 2014 (First SIGCOMM paper for Pakistan, acceptance rate = 19%, Citations: 190+)

53. Loss Differentiation: Moving onto High-Speed Wireless LANs

Ruwaifa Anwar, Kamran Nishat, Mohsin Ali, Zahaib Akhtar, Haseeb Niaz, Ihsan Ayyub Qazi.

IEEE INFOCOM 2014, Toronto, Canada, April-May 2014 (acceptance rate = 19%, Citations: 27+)

54. Rethinking Buffer Management in Data Center Networks

Aisha Mushtaq, A. K. Ismail, A. Wasay, Bilal Mahmood, Ihsan Ayyub Qazi, Zartash A. Uzmi

ACM SIGCOMM Computer Communication Review (CCR), Rev. 44, 4 (October 2014), 575–576.

55. On the Coexistence of Transport Protocols in Data Centers

Syed Mohammad Irteza, Adnan Ahmed, Sana Farrukh, Babar N. Memon, Ihsan Ayyub Qazi.

IEEE ICC 2014, Sydney, Australia, June 2014 (Citations: 18+)

56. On the Effectiveness of High-Speed WLAN Standards for Long Distance Communication

Kamran Nishat, Ruwaifa Anwar, Ahmed Mehfooz, Bilal Zaidi, Haris Choudhary, Ihsan Ayyub Qazi.

IEEE INFOCOM 2014, Toronto, Canada, April-May 2014 (poster)

57. Rate Equilibria in WLANs with Block ACKs

Suong H. Nguyen, Ihsan Ayyub Qazi, Lachlan L. H. Andrew, Hai Le Vu.

IEEE LCN 2013, Sydney, Australia, October 2013 (acceptance rate = 26%)

58. Minimizing Flow Completion Times in Data Centers

Ali Munir, Ihsan A. Qazi, Zartash Uzmi, Aisha Mushtaq, S. Ismail, Safdar Iqbal, Basma Khan.

IEEE INFOCOM 2013, Italy, April 2013 (acceptance rate = 17%, Citations: 248+)

59. BLMon: A Loss Differentiation Scheme for 802.11n

Zahaib Akhtar, Kamran Nishat, Haseeb Niaz, Ruwaifa Anwar, Mohsin Ali, Ihsan Ayyub Qazi.

IEEE INFOCOM 2013, Italy, April 2013 (poster)

60. SplitBuff: Improving the Interaction of Heterogeneous RTT Flows on the Internet

Shahida Jabeen, Muhammad Bilal Zafar, Ihsan Ayyub Qazi, Zartash Afzal Uzmi.

ICC 2013, Budapest, Hungary, June 2013

61. On Achieving Low Latency in Data Centers

Ali Munir, Ihsan Ayyub Qazi, S. Qaisar.

ICC 2013, Budapest, Hungary, June 2013 (Citations: 20+)

62. Congestion Control with Multi-Packet Feedback

Ihsan Ayyub Qazi, Lachlan Andrew, Taieb Znati.

IEEE/ACM Transactions on Networking, 20(6), pp. 1721-1733, December 2012 (Citations: 21+)

63. Markovian Models for Electrical Load Prediction in Smart Buildings

Muhammad Kumail Haider, Asad Khalid Ismail, Ihsan Ayyub Qazi.

ICONIP 2012, Doha, Qatar, Nov 2012 (Citations: 17+)

64. Improving Performance of Router-Assisted Transport Protocols over Variable Capacity Links

Ihsan Ayyub Qazi, Taieb Znati, Daniel Mosse.

ICC 2012, Ottawa, Canada, June 2012

65. On the Design of Load Factor based Congestion Control Protocols for Next-Generation Networks

Ihsan Ayyub Qazi and Taieb Znati.

Computer Networks Journal, Elsevier, 55(1), pp. 45-60, 2011 (Citations: 83+)

66. Using GENI to Evaluate Congestion Control Protocols for Next Generation Networks

Ihsan Ayyub Qazi and Rami Melhem.

GENI Experimenters Workshop (GEW), Princeton University, NJ, June 2010

67. Incremental deployment of new ECN-compatible congestion control

Ihsan Ayyub Qazi, Lachlan Andrew, Taieb Znati.

PFLDNeT, Tokyo, Japan, May 2009

68. Congestion Control using Efficient Explicit Feedback

Ihsan Ayyub Qazi, Lachlan Andrew, Taieb Znati.

IEEE INFOCOM 2009, Rio de Janeiro, Brazil, April 2009 (acceptance rate = 19%, Citations: 50+)

69. Two bits are enough

Ihsan Ayyub Qazi, Lachlan Andrew, Taieb Znati.

ACM SIGCOMM 2008, Seattle, WA, August 2008 (poster)

70. On the Design of Load Factor based Congestion Control Protocols for Next-Generation Networks

Ihsan Ayyub Qazi and Taieb Znati.

IEEE INFOCOM 2008, Phoenix, USA, April 2008 (acceptance rate = 20%, Citations: 83+) 

Journals

1. Countering Misinformation on Social Media Through Educational Interventions: Evidence from a Randomized Experiment in Pakistan

Ayesha Ali and Ihsan Ayyub Qazi

Journal of Development Economics, Volume 163, 2023, 103108, ISSN 0304-3878

2. Validated Digital Literacy Measures for Populations with Low Levels of Internet Experiences 

Ayesha Ali, Agha Ali Raza, and Ihsan Ayyub Qazi

Development Engineering – The Journal of Engineering in Economic Development (Dev Eng), Volume 8, 2023, 100107, ISSN 2352-7285 (14 pages)

3. Digital Literacy and Vulnerability to Misinformation: Evidence from Facebook Users in Pakistan

Ayesha Ali and Ihsan Ayyub Qazi

Journal of Quantitative Description: Digital Media, 2, 1–38, 2022

4. Cognitive reflection is associated with greater truth discernment for COVID-19 headlines, less trust but greater use of formal information sources, and greater willingness to pay for masks among social media users in Pakistan

Ayesha Ali and Ihsan Ayyub Qazi

Harvard Kennedy School Misinformation Review, 3(4), ISSN: 2766-1652, July 2022

5. Mobile Web Browsing Under Memory Pressure

Ihsan Ayyub Qazi, Zafar Ayyub Qazi, T. Benson, Ehsan Latif, Abdul Manan, G. Murtaza, M. Abrar Tariq

ACM SIGCOMM Computer Communication Review (CCR), October 2020. Rev. 50, 4 (October 2020), 35–48

6. RecFlow: SDN-based Receiver-driven Flow Scheduling in Datacenters

Aadil Zia Khan and Ihsan Ayyub Qazi

Cluster Computing 2019, 23, 289–306 (2020).

7. Efficient Load Balancing Over Asymmetric Datacenter Topologies

Syed M. Irteza, Hafiz Mohsin Bashir, Talal Anwar, Ihsan Ayyub Qazi, Fahad R. Dogar

Elsevier Computer Communications, Vol. 127, 2018, 1-12, ISSN 0140-3664

8. Inside the Walled Garden: Deconstructing Facebook's Free Basics Program

Rijurekha Sen, Sohaib Ahmad, A. Phokeer, Z. Farooq, Ihsan Qazi, David Choffnes, K. Gummadi

ACM SIGCOMM Computer Communication Review (CCR). Rev. 47, 5 (October 2017), 12–24. (Best Paper Award) [Citations: 25+]

9. PASE: Synthesizing Existing Transport Strategies for Datacenter Networks

Ali Munir, Ghufran Baig, Syed M. Irteza, Ihsan Ayyub Qazi, Alex Liu, Fahad R. Dogar

IEEE/ACM Transactions on Networking, 25(1): 320-334, February 2017

10. Low-Carb: A Practical Scheme for Improving Energy Efficiency in Cellular Networks

M. Saqib Ilyas, Ihsan Ayyub Qazi, Bilal Rassool, Zartash Afzal Uzmi

Elsevier Computer Communications, 94: 72-84, 2016

11. eSDN: Rethinking Datacenter Transports Using End-Host SDN Controllers

Hasnain Ali Pirzada, M. Raza Mahboob, Ihsan Ayyub Qazi

ACM SIGCOMM Computer Communication Review (CCR). Rev. 45, 4 (October 2015), 605–606.

12. Rethinking Buffer Management in Data Center Networks

Aisha Mushtaq, A. K. Ismail, A. Wasay, Bilal Mahmood, Ihsan Ayyub Qazi, Zartash A. Uzmi

ACM SIGCOMM Computer Communication Review (CCR), Rev. 44, 4 (October 2014), 575–576.

13. Congestion Control with Multi-Packet Feedback

Ihsan Ayyub Qazi, Lachlan Andrew, Taieb Znati.

IEEE/ACM Transactions on Networking, 20(6), pp. 1721-1733, December 2012 (Citations: 19+)

14. On the Design of Load Factor based Congestion Control Protocols for Next-Generation Networks

Ihsan Ayyub Qazi and Taieb Znati.

Computer Networks Journal, Elsevier, 55(1), pp. 45-60, 2011 (Citations: 80+)

Conferences/Workshops

1. To Label or Not to Label: Hybrid Active Learning for Neural Machine Translation

Abdul Hameed Azeemi, Ihsan Ayyub Qazi, Agha Ali Raza

The 31st International Conference on Computational Linguistics: COLING 2025

2. Efficient Datacenter Load Balancing with Microslices

Hafiza Ramzah Rehman, Sana Mahmood, Syed Mohammad Irteza, Fahad Rafique Dogar, Ihsan Ayyub Qazi

IFIP Networking 2025

3. Of Choices and Control - A Comparative Analysis of Government Hosting

Rashna Kumar, E. Carismo, L. D. Angelis, M. Buzzone, F. E. Bustamante, Ihsan A. Qazi, M. G. Beiro

ACM IMC 2024, Spain, November, 2024 (acceptance rate = 21.7%)

4. Deepfake Defense: Constructing and Evaluating a Specialized Urdu Deepfake Audio Dataset

Sheza Munir, Wassay Sajjad, Mukeet Raza, Emaan M. Abbas, Abdul Hameed Azeemi, Ihsan Ayyub Qazi, Agha Ali Raza

Findings of the Association for Computational Linguistics: ACL 2024

5. Analyzing Ad Exposure and Content in Child-Oriented Videos on YouTube

Emaan B. Khan, Nida Tanveer, Aima Shahid, M. Jaffer Iqbal, H. Ali Mirza, A. Javed, Ihsan Ayyub Qazi, Zafar Ayyub Qazi

The ACM Web Conference 2024, Singapore, May 2024 (TheWebConf, formerly WWW) (acceptance rate = 20%)

[LinkedIn thread, Twitter thread]

6. Uncovering the Hidden Data Costs of Mobile YouTube Video Ads

Emaan Atique, Saad Sher Alam, Harris Ahmad, Ihsan Ayyub Qazi, Zafar Ayyub Qazi

The ACM Web Conference 2024, Singapore, May 2024 (TheWebConf, formerly WWW) (acceptance rate = 20%)

7. Representative Subset Selection for Efficient Fine-Tuning in Self-Supervised Speech Recognition

Abdul Hameed Azeemi, Ihsan Ayyub Qazi and Agha Ali Raza

In NeurIPS 2023 Workshop on Efficient Natural Language and Speech Processing

8. Data Pruning for Efficient Model Pruning in Neural Machine Translation

Abdul Hameed Azeemi, Ihsan Ayyub Qazi and Agha Ali Raza

Findings of the Association for Computational Linguistics: Empirical Methods in Natural Language Processing (EMNLP) 2023

9. A Framework for Improving Web Affordability and Inclusiveness

Rumaisa Habib,  Sarah Tanveer, Aimen Inam, Haseeb Ahmed, Ayesha Ali, Zartash Afzal Uzmi, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

ACM SIGCOMM 2023, New York, USA, September 2023

10. Learning Fast and Slow: Towards Inclusive Federated Learning

Muhammad Tahir Munir, Muhammad Mustansar Saeed, Mahad Ali, Zafar Ayyub Qazi, Agha Ali Raza, Ihsan Ayyub Qazi

European Conference on Machine Learning & Principles and Practice of Knowledge Discovery in Databases (ECML-PKDD) 2023, Torino, Italy, September 2023 [LinkedIn thread]

11. Self-Supervised Dataset Pruning for Efficient Training in Audio Anti-spoofing

Abdul Hameed Azeemi, Ihsan Ayyub Qazi and Agha Ali Raza

INTERSPEECH 2023, Dublin, Ireland, August 2023

12. A First Look at Public Service Websites from the Affordability Lens 

Rumaisa Habib, Aimen Inam, Ayesha Ali, Ihsan Ayyub Qazi, and Zafar Ayyub Qazi

The ACM Web Conference 2023, Austin, USA, April-May 2023 (TheWebConf, formerly known as WWW)

13. Coal Not Diamonds: How Memory Pressure Falters Mobile Video QoE

Talha Waheed, Zahaib Akhtar, Ihsan Ayyub Qazi, Zafar Ayyub Qazi

ACM CoNEXT 2022, Italy, December 2022  (acceptance rate = 19.2%)

14. Causal Impact of Android Go on Mobile Web Performance

Muhammad Abdullah, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

ACM IMC 2022, France, October 2022  (acceptance rate = 26.4%)

15. Dataset Pruning for Resource-constrained Spoofed Audio Detection

Abdul Hameed Azeemi, Ihsan Ayyub Qazi and Agha Ali Raza

INTERSPEECH 2022, Incheon, Korea, September 2022

16. Using Self Attention DNNs to Discover Phonemic Features for Audio Deep Fake Detection

Hira Yasin Dhamyal, Ayesha Ali, Ihsan Ayyub Qazi and Agha Ali Raza

IEEE Automatic Speech Recognition and Understanding (ASRU) 2021, Colombia, December 2021

17. Rethinking Web for Affordability and Inclusion

Ihsan Ayyub Qazi, Zafar Ayyub Qazi, Ayesha Ali, Muhammad Abdullah, Rumaisa Habib

ACM HotNets 2021, November 2021 (acceptance rate = 30.7%)

18. Fake Audio Detection in Resource-constrained Settings using Microfeatures

Hira Yasin Dhamyal, Ayesha Ali, Ihsan Ayyub Qazi and Agha Ali Raza

INTERSPEECH 2021, Czech Republic, Aug-Sept 2021

19. Deconstructing Google’s Web Light Service

Ammar Tahir, Shaiq Munir Malik, Muhammad Tahir Munir, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

WWW 2020, Taipei, Taiwan, April 2020 (acceptance rate = 19%)

20. MissIt: Using Missed Calls for Free, Extremely Low Bit-Rate Communication in Developing Regions

Ihsan Ayyub Qazi*, Fahad Dogar*, Ali Raza Tariq, Ghulam Murtaza, Abeer Ahmad, Nathan Stocking

ACM CHI Conference on Human Factors in Computing Systems 2020, Honolulu, Hawaii, USA, April 2020 (acceptance rate = 24%) [*joint first authors]

21. Reducing Tail Latency using Duplication: A Multi-Layered Approach  

H. Mohsin Bashir, Abdullah Bin Faisal, Asim Jamshed, P. Vondras, Ali Musa, Ihsan A. Qazi, Fahad Dogar

ACM CoNEXT 2019, Orlando, USA, December 2019 (acceptance rate = 17%)

22. Understanding the Effect of Digital Literacy on the Spread of Misinformation: Evidence from Pakistan

Ayesha Ali and Ihsan Ayyub Qazi

AEA Annual Meetings, January 2020 (Poster Presentation)

23. The Economic Impact of Internet Censorship

Ayesha Ali and Ihsan Ayyub Qazi

AEA Annual Meetings, January 2020 (Poster Presentation)

24. Device-Aware Adaptive Video Streaming

Arsalan Ali Jumani, Fizza Zafar, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

ACM SIGCOMM 2019, China, August 2019 (poster)

25. Scylla: Interleaving Multiple IoT Stacks on a Single Radio

Hassan Iqbal, Muhammad Hamad Alizai, Ihsan Ayyub Qazi, Olaf Landsiedel, Zartash Afzal Uzmi

ACM CoNEXT 2018, Greece, December 2018 (acceptance rate = 17%)

26. Workload Adaptive Flow Scheduling

Abdullah Bin Faisal, Hafiz Mohsin Bashir, Ihsan Ayyub Qazi, Zartash Afzal Uzmi, Fahad Rafique Dogar

ACM CoNEXT 2018, Greece, December 2018 (acceptance rate = 17%) [A Note of Reflection]

27. Unraveling Poor Video Streaming Experiences in the Developing World

Arsalan Ali Jumani, Fizza Zafar, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

ACM IMC 2018, Boston, USA, November 2018 (poster)

28. Untangling Web Browsing on Low-end Mobile Devices

Ihsan Ayyub Qazi, Zafar A. Qazi, Theophilus Benson, Z. Farooq, A. Haamid, Sohaib Ahmad, Bismah Babar

ACM IMC 2018, Boston, USA, November 2018 (poster)

29. Incentivizing Censorship Measurements via Circumvention

Aqib Nisar, Aqsa Kashaf, Ihsan Ayyub Qazi, Zartash Afzal Uzmi

ACM SIGCOMM 2018, Budapest, Hungary, August 2018 (acceptance rate = 18%, Citations: 10+)

30. Can We Design Ethically Sound Yet Effective Internet Censorship Measurement Platforms?

Ihsan Ayyub Qazi

NSDI 2018, Renton, USA, April 2018 (poster)

31. Online Advertising under Internet Censorship

Hira Javaid, Hafiz Kamran Khalil, Zartash Afzal Uzmi, Ihsan Ayyub Qazi

ACM HotNets 2017, Palo Alto, USA, November 2017 (acceptance rate = 21.8%)

32. Bringing Data to Facebook’s Free Basics Debate

Rijurekha Sen, Siddharth Singh, Vedant Nanda, Sohaib Ahmad, S. Sengupta, Amreesh Phokeer, Zaid Farooq, Taslim Khan, P. Kumaraguru, Ihsan Ayyub Qazi, David Choffnes, Krishna P. Gummadi

ACM SIGMETRICS 2017, Illinois, USA, June 2017 (poster)

33. Load Balancing Over Symmetric Virtual Topologies

Syed M. Irteza, Hafiz Mohsin Bashir, Talal Anwar, Ihsan Ayyub Qazi, Fahad R. Dogar

IEEE INFOCOM 2017, Atlanta, USA, May 2017 (acceptance rate = 20.9%, Citations: 10+)

34. DRIBS: Flow Scheduling over Asymmetric Datacenter Topologies

Tooba Ahsen, Fatima Tariq, M. Tirmazi, Ifrah Idrees, Zafar Qazi, Ihsan Qazi, Zartash Uzmi

NSDI 2017, Boston, MA, USA, March 2017 (poster)

35. Receiver-driven Flow Scheduling for Commodity Datacenters

Aadil Zia Khan and Ihsan Ayyub Qazi

IEEE ICC 2017, Paris, France, May 2017

36. SlickFi: A Service Differentiation Scheme for High-Speed WLANs using Dual Radio APs

Kamran Nishat, Farrukh Javed, Saim Salman, Nofel Yaseen, Ans Fida, Ihsan Ayyub Qazi

ACM CoNEXT 2016, Irvine, USA, December 2016 (acceptance rate = 18%)

37. Towards a Redundancy Aware Network Stack

Ali Musa Iftikhar, Fahad Rafique Dogar, Ihsan Ayyub Qazi

ACM HotNets 2016, Atlanta, USA, November 2016 (acceptance rate = 27.8%, Citations: 12+)

38. A View from the Other Side: Understanding Mobile Phone Characteristics in the Developing World

Sohaib Ahmad, Abdul Haamid, Zafar A. Qazi, Zhenyu Zhou, Theophilus Benson, Ihsan A. Qazi

ACM IMC 2016, Santa Monica, USA, November 2016 (acceptance rate = 25%, Citations: 40+)

39. A Case for Marrying Censorship Measurements with Circumvention

Aqib Nisar, Aqsa Kashaf, Zartash Afzal Uzmi, Ihsan Ayyub Qazi

ACM HotNets 2015, Philadelphia, USA, November 2015 (acceptance rate = 18%)

40. Mitigating Datacenter Incast Congestion Using RTO Randomization

Ubaid Hafeez, Aqsa Kashaf, Q. Bajwa, Aisha Mushtaq, Hassan Zaidi, Ihsan Qazi, Zartash Afzal Uzmi

IEEE GLOBECOM 2015, San Diego, USA, December 2015

41. Friends, not Foes — Synthesizing Existing Data Center Transport Strategies in PASE

Ali Munir, Ghufran Baig, Syed Irteza, Ihsan Ayyub Qazi, Fahad Dogar, Alex Liu.

ACM SIGCOMM 2014, Chicago, USA, August 2014 (First SIGCOMM paper for Pakistan, acceptance rate = 19%, Citations: 190+)

42. Loss Differentiation: Moving onto High-Speed Wireless LANs

Ruwaifa Anwar, Kamran Nishat, Mohsin Ali, Zahaib Akhtar, Haseeb Niaz, Ihsan Ayyub Qazi.

IEEE INFOCOM 2014, Toronto, Canada, April-May 2014 (acceptance rate = 19%, Citations: 28+)

43. On the Coexistence of Transport Protocols in Data Centers

Syed Mohammad Irteza, Adnan Ahmed, Sana Farrukh, Babar N. Memon, Ihsan Ayyub Qazi.

IEEE ICC 2014, Sydney, Australia, June 2014 (Citations: 13+)

44. On the Effectiveness of High-Speed WLAN Standards for Long Distance Communication

Kamran Nishat, Ruwaifa Anwar, Ahmed Mehfooz, Bilal Zaidi, Haris Choudhary, Ihsan Ayyub Qazi.

IEEE INFOCOM 2014, Toronto, Canada, April-May 2014 (poster)

45. Rate Equilibria in WLANs with Block ACKs

Suong H. Nguyen, Ihsan Ayyub Qazi, Lachlan L. H. Andrew, Hai Le Vu.

IEEE LCN 2013, Sydney, Australia, October 2013 (acceptance rate = 26%)

46. Minimizing Flow Completion Times in Data Centers

Ali Munir, Ihsan A. Qazi, Zartash Uzmi, Aisha Mushtaq, S. Ismail, Safdar Iqbal, Basma Khan.

IEEE INFOCOM 2013, Italy, April 2013 (acceptance rate = 17%, Citations: 248+)

47. BLMon: A Loss Differentiation Scheme for 802.11n

Zahaib Akhtar, Kamran Nishat, Haseeb Niaz, Ruwaifa Anwar, Mohsin Ali, Ihsan Ayyub Qazi.

IEEE INFOCOM 2013, Italy, April 2013 (poster)

48. SplitBuff: Improving the Interaction of Heterogeneous RTT Flows on the Internet

Shahida Jabeen, Muhammad Bilal Zafar, Ihsan Ayyub Qazi, Zartash Afzal Uzmi.

ICC 2013, Budapest, Hungary, June 2013

49. On Achieving Low Latency in Data Centers

Ali Munir, Ihsan Ayyub Qazi, S. Qaisar.

ICC 2013, Budapest, Hungary, June 2013 (Citations: 20+)

50. Markovian Models for Electrical Load Prediction in Smart Buildings

Muhammad Kumail Haider, Asad Khalid Ismail, Ihsan Ayyub Qazi.

ICONIP 2012, Doha, Qatar, Nov 2012 (Citations: 16+)

51. Improving Performance of Router-Assisted Transport Protocols over Variable Capacity Links

Ihsan Ayyub Qazi, Taieb Znati, Daniel Mosse.

ICC 2012, Ottawa, Canada, June 2012

52. Using GENI to Evaluate Congestion Control Protocols for Next Generation Networks

Ihsan Ayyub Qazi and Rami Melhem.

GENI Experimenters Workshop (GEW), Princeton University, NJ, June 2010

53. Incremental deployment of new ECN-compatible congestion control

Ihsan Ayyub Qazi, Lachlan Andrew, Taieb Znati.

PFLDNeT, Tokyo, Japan, May 2009

54. Congestion Control using Efficient Explicit Feedback

Ihsan Ayyub Qazi, Lachlan Andrew, Taieb Znati.

IEEE INFOCOM 2009, Rio de Janeiro, Brazil, April 2009 (acceptance rate = 19%, Citations: 52+)

55. Two bits are enough

Ihsan Ayyub Qazi, Lachlan Andrew, Taieb Znati.

ACM SIGCOMM 2008, Seattle, WA, August 2008 (poster)

56. On the Design of Load Factor based Congestion Control Protocols for Next-Generation Networks

Ihsan Ayyub Qazi and Taieb Znati.

IEEE INFOCOM 2008, Phoenix, USA, April 2008 (acceptance rate = 20%, Citations: 80+) 

Working Papers/Technical Reports

1. Towards Representative Subset Selection for Self-Supervised Speech Recognition

Abdul Hameed Azeemi, Ihsan Ayyub Qazi, Agha Ali Raza

arXiv:2203.09829, March 2022

2. FedPrune: Towards Inclusive Federated Learning

Muhammad Tahir Munir, Muhammad Mustansar Saeed, Mahad Ali, Zafar Ayyub Qazi, Ihsan Ayyub Qazi

arXiv:2110.14205, October 2021

3. Countering Misinformation on Social Media Through Educational Interventions: Evidence from a Randomized Experiment in Pakistan

Ayesha Ali and Ihsan Ayyub Qazi

arXiv:2107.02775, July 2021

4. Designing Experiments using GENI Cluster B

Ihsan Ayyub Qazi

GENI Project Office Report, BBN Technologies, Cambridge, MA, August 2009

5. Insights into the Design of Congestion Control Protocols for Multi-Hop Wireless Mesh Networks

Ihsan Ayyub Qazi and Daniel Mosse

Technical Report TR-09-164, Department of Computer Science, University of Pittsburgh

6. Performance Evaluation of Wireless Network Coding under Practical Settings

Ihsan Ayyub Qazi and Pratik Gandhi

Technical Report TR-07-150, Department of Computer Science, University of Pittsburgh

7. Sizing of Router Buffers in the presence of Bi-directional Traffic

Ihsan Ayyub Qazi and Taieb Znati

Technical Report TR-07-149, Department of Computer Science, University of Pittsburgh

Dissertation

An Efficient Framework of Congestion Control for Next-Generation Networks [LINK] [AMAZON] [BIBTEX]

Ihsan Ayyub Qazi

Ph.D. Dissertation, University of Pittsburgh, Pittsburgh, PA USA, August 2010.