2 papers
cs.DB2024
Synthesizing Scoring Functions for Rankings Using Symbolic Gradient Descent
Zixuan Chen, Panagiotis Manolios, Mirek Riedewald
Given a relation and a ranking of its tuples, but no information about the ranking function, we are interested in synthesizing simple scoring functions that reproduce the ranking.…
cs.SI2023
HITSnDIFFs: From Truth Discovery to Ability Discovery by Recovering Matrices with the Consecutive Ones Property
Zixuan Chen, Subhodeep Mitra, R Ravi +1
We analyze a general problem in a crowd-sourced setting where one user asks a question (also called item) and other users return answers (also called labels) for this question. Dif…