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  • From: Informatics Institute News <institute-news AT inf.ed.ac.uk>
  • To: Stefania Pasare <s.pasare AT ed.ac.uk>, "cdt-nlp-students AT inf.ed.ac.uk" <cdt-nlp-students AT inf.ed.ac.uk>, "cdt-nlp-talks AT inf.ed.ac.uk" <cdt-nlp-talks AT inf.ed.ac.uk>, DR-NLP CDT students cohort 1 <responsiblenlp-students-cohort1 AT mlist.is.ed.ac.uk>, "DR-NLP CDT students cohort 2" <responsiblenlp-students-cohort2 AT mlist.is.ed.ac.uk>, "ilcc-members AT inf.ed.ac.uk" <ilcc-members AT inf.ed.ac.uk>, "ilcc-students AT inf.ed.ac.uk" <ilcc-students AT inf.ed.ac.uk>, "inf-ilcc-hcrc-seminar AT mlist.is.ed.ac.uk" <inf-ilcc-hcrc-seminar AT mlist.is.ed.ac.uk>, "inf-seminars AT mlist.is.ed.ac.uk " <inf-seminars AT mlist.is.ed.ac.uk>, Eeva Holtta <eholtta AT ed.ac.uk>, "Sam Lewis-Lim" <slewis-lim1 AT sheffield.ac.uk>
  • Subject: ILCC/ CDT NLP Seminar, Sam Lewis-Lim - Faithfulness and Monitorability in Multimodal and Efficient Reasoning Models
  • Date: Mon, 26 Oct 2026 14:33:02 +0000

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ORGANIZER;CN=Informatics Institute News:mailto:institute-news AT inf.ed.ac.uk
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=Stefania 
 Pasare:mailto:s.pasare AT ed.ac.uk
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=cdt-nlp-s
 tudents AT inf.ed.ac.uk:mailto:cdt-nlp-students AT inf.ed.ac.uk
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=cdt-nlp-t
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ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=DR-NLP CD
 T students cohort 1:mailto:responsiblenlp-students-cohort1 AT mlist.is.ed.ac.
 uk
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=DR-NLP CD
 T students cohort 2:mailto:responsiblenlp-students-cohort2 AT mlist.is.ed.ac.
 uk
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=ilcc-memb
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ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=ilcc-stud
 ents AT inf.ed.ac.uk:mailto:ilcc-students AT inf.ed.ac.uk
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=inf-ilcc-
 hcrc-seminar AT mlist.is.ed.ac.uk:mailto:inf-ilcc-hcrc-seminar AT mlist.is.ed.ac
 .uk
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=inf-semin
 ars AT mlist.is.ed.ac.uk :mailto:inf-seminars AT mlist.is.ed.ac.uk
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=Eeva Holt
 ta:mailto:eholtta AT ed.ac.uk
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=FALSE;CN=Sam Lewis
 -Lim:mailto:slewis-lim1 AT sheffield.ac.uk
DESCRIPTION;LANGUAGE=en-US:Dear all\,\n\nPlease attend our joint ILCC/ CDT 
 NLP seminar talk by Sam Lewis-Lim\, on November 6\, 2026 at 11:00-12:00.\n
 \nSpeaker: Sam Lewis-Lim<https://samlewislim.github.io/>\, University of S
 heffield\n\nhttps://airtable.com/appS4gTxm7BAJVK3b/tbl2FNoLdHQD7OdUx/reczh
 hwV496nqLb6o/fldsX5wdccAwWEXD7/att0XbiJZA2ujnFvc\n\nRoom: IF\, G.03\n\nTit
 le: Faithfulness and Monitorability in Multimodal and Efficient Reasoning 
 Models\n\nAbstract: Chain-of-thought (CoT) reasoning provides a promising 
 opportunity to understand and explain how large language models make decis
 ions. Monitoring the CoT has been found to be an effective way of identify
 ing reasoning failures and catching unwanted behaviour. However\, the reli
 ability of this monitoring and the faithfulness of these explanations is n
 ot guaranteed. It is currently not well understood in which situations CoT
  monitoring can be trusted\, or how different training procedures influenc
 e this. This talk will outline work from two papers that deal with these i
 ssues. First\, I will discuss how suitable CoT monitoring is for detecting
  whether vision-language models rely on visual or textual inputs when the 
 two conflict. Second\, I will discuss how efficient reasoning training aff
 ects the faithfulness and monitorability of CoT. It has been suggested tha
 t training models to reason with fewer tokens may make their CoT less trus
 tworthy. While I show that CoT’s trustworthiness depends partly on this 
 training\, both papers highlight that trustworthiness of the CoT primarily
  depends on how it is defined and measured. Finally\, I will discuss this 
 research area as a whole and future directions I am excited about.\n\nBook
  a meeting: For staff or students who’d like to meet with Sam Lewis-Lim 
 during their visit please check availability using the booking form<https:
 //airtable.com/appS4gTxm7BAJVK3b/shrgbmVr7xovtcVSX/tbl2bWMMMm8g0sLoC>.\n\n
 Student Lunch: For research students who wish to meet with the speaker ove
 r lunch please sign up here<https://airtable.com/appS4gTxm7BAJVK3b/pag2vE1
 8BlgykntD8/form>.\n\nUpcoming Seminars: Upcoming Seminars | ILCC | School 
 of Informatics<https://informatics.ed.ac.uk/ilcc/news-events/upcoming-semi
 nars>\n\nThank you\, Pauline\n\n__________________________________________
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SUMMARY;LANGUAGE=en-US:ILCC/ CDT NLP Seminar\, Sam Lewis-Lim - Faithfulness
  and Monitorability in Multimodal and Efficient Reasoning Models
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  • ILCC/ CDT NLP Seminar, Sam Lewis-Lim - Faithfulness and Monitorability in Multimodal and Efficient Reasoning Models, Informatics Institute News, 10/26/2026

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