Search Results for author: Yongzhi Cao

Found 8 papers, 0 papers with code

First-Choice Maximality Meets Ex-ante and Ex-post Fairness

no code implementations8 May 2023 Xiaoxi Guo, Sujoy Sikdar, Lirong Xia, Yongzhi Cao, Hanpin Wang

The generalized probabilistic Boston mechanism is also ex-post EF1, and satisfies ex-ante efficiency instead of fairness.

Fairness

A separation logic for sequences in pointer programs and its decidability

no code implementations16 Jan 2023 Tianyue Cao, BoWen Zhang, Zhao Jin, Yongzhi Cao, Hanpin Wang

To deal with properties on variable-length sequences and multilevel data structures, we propose sequence-heap separation logic which integrates sequences into logical reasoning on heap-manipulated programs.

Logical Reasoning

Differentially Private Condorcet Voting

no code implementations27 Jun 2022 Zhechen Li, Ao Liu, Lirong Xia, Yongzhi Cao, Hanpin Wang

Designing private voting rules is an important and pressing problem for trustworthy democracy.

Learning First-Order Rules with Differentiable Logic Program Semantics

no code implementations28 Apr 2022 Kun Gao, Katsumi Inoue, Yongzhi Cao, Hanpin Wang

We map the symbolic forward-chained format of LPs into NN constraint functions consisting of operations between subsymbolic vector representations of atoms.

Inductive logic programming

Favoring Eagerness for Remaining Items: Designing Efficient, Fair, and Strategyproof Mechanisms

no code implementations18 Sep 2021 Xiaoxi Guo, Sujoy Sikdar, Lirong Xia, Yongzhi Cao, Hanpin Wang

In the assignment problem, the goal is to assign indivisible items to agents who have ordinal preferences, efficiently and fairly, in a strategyproof manner.

Fairness

Sequential Mechanisms for Multi-type Resource Allocation

no code implementations29 Jan 2021 Sujoy Sikdar, Xiaoxi Guo, Haibin Wang, Lirong Xia, Yongzhi Cao

We study the relationship between properties of the local mechanisms, each responsible for assigning all of the resources of a designated type, and the properties of a sequential mechanism which is composed of these local mechanisms, one for each type, applied sequentially, under lexicographic preferences, a well studied model of preferences over multiple types of resources in artificial intelligence and economics.

Vocal Bursts Type Prediction

Probabilistic Serial Mechanism for Multi-Type Resource Allocation

no code implementations25 Apr 2020 Xiaoxi Guo, Sujoy Sikdar, Haibin Wang, Lirong Xia, Yongzhi Cao, Hanpin Wang

For MTRAs with divisible items, we show that the existing multi-type probabilistic serial (MPS) mechanism satisfies the stronger efficiency notion of lexi-efficiency, and is sd-envy-free under strict linear preferences, and sd-weak-strategyproof under lexicographic preferences.

Fairness Vocal Bursts Type Prediction

Multi-type Resource Allocation with Partial Preferences

no code implementations13 Jun 2019 Haibin Wang, Sujoy Sikdar, Xiaoxi Guo, Lirong Xia, Yongzhi Cao, Hanpin Wang

We propose multi-type probabilistic serial (MPS) and multi-type random priority (MRP) as extensions of the well known PS and RP mechanisms to the multi-type resource allocation problem (MTRA) with partial preferences.

Fairness Vocal Bursts Type Prediction

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