Search Results for author: Sujoy Sikdar

Found 11 papers, 2 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

Anti-Malware Sandbox Games

no code implementations28 Feb 2022 Sujoy Sikdar, Sikai Ruan, Qishen Han, Paween Pitimanaaree, Jeremy Blackthorne, Bulent Yener, Lirong Xia

We develop a game theoretic model of malware protection using the state-of-the-art sandbox method, to characterize and compute optimal defense strategies for anti-malware.

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

Fair and Efficient Allocations under Lexicographic Preferences

1 code implementation14 Dec 2020 Hadi Hosseini, Sujoy Sikdar, Rohit Vaish, Lirong Xia

Envy-freeness up to any good (EFX) provides a strong and intuitive guarantee of fairness in the allocation of indivisible goods.

Fairness Computer Science and Game Theory

Necessarily Optimal One-Sided Matchings

no code implementations17 Jul 2020 Hadi Hosseini, Vijay Menon, Nisarg Shah, Sujoy Sikdar

We study the classical problem of matching $n$ agents to $n$ objects, where the agents have ranked preferences over the objects.

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

Minimizing Time-to-Rank: A Learning and Recommendation Approach

1 code implementation27 May 2019 Haoming Li, Sujoy Sikdar, Rohit Vaish, Junming Wang, Lirong Xia, Chaonan Ye

Consider the following problem faced by an online voting platform: A user is provided with a list of alternatives, and is asked to rank them in order of preference using only drag-and-drop operations.

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