I get so much email that I can’t reply to all of it. Even in the best of circumstances, I often can’t reply right away. So here is a brief guide on whether to email me (if you haven’t already), and what to expect (if you have).

Do you have a specific question related to my research?
Email alopez@inf.ed.ac.uk, and please also email my coauthors, who may be able to reply more quickly.
Looking to hire me for consulting work or a job?
Email alopez.nlproc@gmail.com. Please be patient waiting for a reponse.
Are you a friend and/ or (former) research student?
I would love to hear from you! Please email my personal address if you have it, otherwise one of the other addresses on this page.
Are you a personal tutee in need of advice or support?
Email alopez@inf.ed.ac.uk. I’ll reply as soon as I am able. I can’t always reply right away, and in very busy times (like the start of a semester in which I am teaching) it may take a few working days, so please be patient awaiting a response. If you are emailing to book a meeting, please use this page. (Note: If you are not a PT, please do not book meetings this way; this link is for PTs only and I will cancel meetings booked by anyone else through this link).
Are you a (former) PhD / MSc / UG thesis student or employee in need of a reference?
I would love to help! Please email alopez@inf.ed.ac.uk, and provide as much detail as you can about the position and your application. I’d appreciate as much advance notice as you can give me.
Are you a (former) taught student in need of a reference?
Unless I know you well, the best I’m likely to be able to provide is a brief synopsis of your performance in my course(s), which is of limited value for most job or PhD applications. If a brief synopsis suffices, I’m of course happy to supply it: email alopez@inf.ed.ac.uk. However, for most job or PhD applications, you will be best served by a reference from someone who has worked with you closely and knows your work well.
Are you an employer seeking a reference for one of my (former) students or employees?
Email alopez@inf.ed.ac.uk with details.
Are you seeking a studentship or other academic position with me?
I am not currently taking students or hiring for academic positions, so please don’t email me. I wish you the best of luck, but there’s nothing I can do to help you, so I will not respond to your email.
Are you seeking information about courses or programs at the university?
Every course that I co-teach has an explicit policy on how to contact the organizers, which is listed on the course page in learn. If you are in my course, please follow that policy. If you aren’t in the course and you aren’t sure who to contact, please contact the course organizer listed in DPRS or PATH (who might be me, or might be someone else).
Are you interested in other university business?
I am unlikely to respond to emails about university business unless I’m obliged or already committed.
Are you interested in something not covered by the answers above?
It is unlikely that I will respond to emails on other topics. My time is finite, and every email I respond to chips away at the time that I have for the people that matter to me.