Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Assn for Computing Machinery @ACM@mastodon.acm.org

2/28/2026, 6:24:03 PM

Public

In this week’s People of ACM profile, we speak with Ke Yi, Professor, Hong Kong University of Science and Technology (HKUST), Program Chair, ACM PODS 2026, and recently named ACM Fellow for contributions to the theory and practice of query processing. Read here: https://www.acm.org/articles/people-of-acm/2026/ke-yi

People of ACM - Ke Yi

Ke Yi is a Professor at the Hong Kong University of Science and Technology (HKUST), where he serves as the Director of the MSc program in Big Data Technology. Yi’s research interests include database theory and systems, query processing, data security and privacy, parallel and distributed algorithms, data streams, sampling, and data summarization. He is especially noted for his significant contributions to approximate query processing (AQP), a vital tool for dealing with massive amounts of data. Yi’s honors include receiving two ACM SIGMOD Best Paper Awards, four ACM SIGMOD Research Highlight Awards, and an ACM PODS Test of Time Award. He was recently named an ACM Fellow for contributions to the theory and practice of query processing.

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