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IR From Bag-of-words to BERT and Beyond through Practical Experiments

This is the official repository of "IR From Bag-of-words to BERT and Beyond through Practical Experiments", a CIKM 2021 full-day tutorial with PyTerrier and OpenNIR search toolkits.

This is an updated edition of our previous ECIR 2021 Tutorial

Contents

  • Part 1: Classical IR: indexing, retrieval and evaluation
  • Part 2: Modern Retrieval Architectures: PyTerrier data model and operators, towards re-rankers and learning-to-rank
  • Part 3: Contemporary Retrieval Architectures: Neural re-rankers such as BERT, EPIC, T5 and neural inverted index augmentation such as DeepCT and Doc2Query
  • Part 4: Recent Advances beyond the classical inverted index: learned sparse retrieval, dense retrieval, nearest neighbour search

If you participated in either run of this tutorial, please complete the Exit Feedback Quiz: https://forms.office.com/r/RiYSAxAKhk

Schedule

Our tutorial will run twice on Friday 5th November 2021, with live lab sessions.

Suggested viewing:

  • Europe, Africa, West/South/Central Asia: Run 1
  • North/South America: Run 2
  • East Asia and Oceania: Run 1 (parts 1 & 2), followed by Run 2 (parts 3 & 4)

Run 1: Aligned with Europe, Africa, and West/South/Central Asia, partially accessible to East Asia/Oceania

London (GMT) Content Live Johannesburg (GMT+2) Delhi (GMT+5:30) Beijing (GMT+8) Brisbane (GMT+10)
0900-1000 part 1 slides 1100-1200 1430-1530 1700-1800 1900-2000
1000-1030 part 1 lab 1200-1230 1530-1600 1800-1830 2000-2030
1030-1100 break 1230-1300 1600-1630 1830-1900 2030-2100
1100-1200 part 2 slides 1300-1400 1630-1730 1900-2000 2100-2200
1200-1230 part 2 lab 1400-1430 1730-1800 2000-2030 2200-2230
1230-1330 break 1430-1530 1800-1900
1330-1430 part 3 slides 1530-1630 1900-2000
1430-1500 part 3 lab 1630-1700 2000-2030
1500-1530 break 1700-1730 2030-2100
1530-1630 part 4 slides 1730-1830 2100-2200
1630-1700 part 4 lab 1830-1900 2200-2230

Run 2: Aligned with North/South America, partially accessible to East Asia/Oceania

LA (GMT-7) Content Live New York (GMT-4) São Paulo (GMT-3) Beijing (GMT+8) Brisbane (GMT+10)
1100-1200 part 1 slides 🎥 1400-1500 1500-1600
1200-1230 part 1 lab 1500-1530 1600-1630
1230-1300 break 1530-1600 1630-1700
1300-1400 part 2 slides 🎥 1600-1700 1700-1800
1400-1430 part 2 lab 1700-1730 1800-1830
1430-1530 break 1730-1830 1830-1930
1530-1630 part 3 slides 🎥 1830-1930 1930-2030 0630-0730 (6 Nov) 0830-0930 (6 Nov)
1630-1700 part 3 lab 1930-2000 2030-2100 0730-0800 (6 Nov) 0930-1000 (6 Nov)
1700-1730 break 2000-2030 2100-2130 0800-0830 (6 Nov) 1000-1030 (6 Nov)
1730-1830 part 4 slides 🎥 2030-2130 2130-2230 0830-0930 (6 Nov) 1030-1030 (6 Nov)
1830-1900 part 4 lab 2130-2200 2230-2300 0930-1000 (6 Nov) 1030-1200 (6 Nov)

We are thankful to Luca and Eugene for supporting additional live labs, and for CIKM 2021 volunteers, for being able to support this schedule.

Authors

Contributors to Live Labs:

Useful Links

Citation Policy

If you make using of any of these slides, notebooks, or additional PyTerrier plugins, please cite our tutorial abstract:

@inproceedings{cikm2021-tut-bow2b,
  author = {MacAvaney, Sean and Macdonald, Craig and Tonellotto, Nicola},
  title = {IR From Bag-of-words to BERT and Beyond through Practical Experiments: A CIKM 2021 tutorial with PyTerrier and OpenNIR},
  booktitle = {Proceedings of CIKM 2021},
  year = {2021}
}