Luis A. Leiva
@luileito
Followers
810
Following
6K
Media
327
Statuses
3K
HCI+ML researcher and professor of Computer Science at @uni_lu. Previously with @AaltoUniversity and @UPV. Also co-founder of @ScilingAI in 2014.
Luxembourg
Joined February 2011
Hot take: Funding agencies should implement a lottery system for grant proposals that scored above an excellence threshold (e.g. 4.5 out of 5). https://t.co/i9QpT5keVQ
nature.com
Nature Communications - The authors show evidence from a German funding line that a lottery-first approach followed by peer review is accompanied by increased female representation both at the...
0
0
0
In the pre-LLM era, people with higher quality cover letters are much more likely to get the job. Post-LLM, cover letter quality is useless as signal, so doesnt affect hiring at all. Note the total hiring rate goes way down as well. 4/
1
17
180
Lol
What happens when online job applicants start using LLMs? It ain't good. 1. Pre-LLM, cover letter quality predicts your work quality, and a good cover gets you a job 2. LLMs wipe out the signal, and employer demand falls 3. Model suggests high ability workers lose the most 1/n
12
113
2K
Hay gente que va por la vida entregando textos hechos con IA y creyendo que la rompió y que nadie lo notó, cuando en realidad todos nos dimos cuenta pero no les dijimos nada porque estamos cansados y porque en el fondo no esperamos más de ellos.
51
605
5K
The academic job market is doing something very good this year: A lot of searches are *NO* longer asking for reference letters until applicants make the short list. This makes is easier to apply for jobs, reduces the letter writing load for faculty, and makes the review process
18
48
487
Investor: We need AI. CEO: Yes, we need AI. PM: Build AI. Dev: Okay, here’s AI. User: I don’t want AI.
451
2K
24K
Back when i was a professor, early on I used to get bad reviews occasionally. My institution was extremely critical of this. So, what did I discover was the easy solution? I watered down my course and made everything easier. Magically, I started to get near perfect evaluations in
The good news: Student learning takes off at Harvard (with especially great student learning during the pandemic!), as shown by rising percent of A grades in Harvard classes since 2005 https://t.co/iq9IC5Fkn5
168
540
7K
When will academia stop wasting each other’s time asking for recommendation letters for promotions, job applications, grant applications, VISA applications? The list is endless. There must be better ways to reveal those few bits of information we want to share about candidates.
44
69
876
“The bad review will come from your list of suggested reviewers”
20
111
838
Student: I'm trying to show this function is not continuous Math professor: OK first, what is the definition of a continuous function? Student: I don't know Professor: I would suggest learning the definition first before attempting that problem Student: Isn't there another way?
18
28
665
17
474
5K
While reviewing for #CHI2026, I noticed four new writing issues, likely due to increased use of LLMs. I describe them here - and how to fix them:
dbuschek.medium.com
Four writing issues I notice as a reviewer — and how to fix them
0
20
83
Less is more: Academic publishing needs ‘radical change,’ Cambridge press report concludes. https://t.co/CIFheQCpHy
0
5
7
