Table 2.

Overview and categorization of the research works surveyed.

Article	RS		Dataset(s)	Fairness measurement		Debiasing strategy	Sensitive attribute(s)
	Type	Algorithm		Definition(s)	Metric(s)
Li et al. (2023)	Job	CF	Private	DP	UGF	Post	Gender (G)
Rus et al. (2022)	Job	CBF	Private	EO, DP	TPRP, SAT	Pre, In	G
Ntioudis et al. (2022)	Job	KB	Synthetic, private	—	—	Pre	Migrant
Zhang (2021)	Job	—	Synthetic	DP	SDR, LDR	—	G
Shishehchi and Banihashem (2019)	Job	KB	Private	—	UAT	Pre	Disability
Tang et al. (2017)	Job	—	Scraped	—	MWU	—	G
Scher et al. (2023)	Candidate	—	Synthetic	EO, DP	BGSD, CF, TNR	Post	—
Jourdan et al. (2023)	Candidate	CBF	BIOS	EO	TPRP	Pre, In	G
Delecraz et al. (2022)	Candidate	—	Private	EO	TPRP, DI, SP	—	Multi
Markert et al. (2022)	Candidate	CBF	Synthetic	IF	IFC	—	G, Marital status
Bei et al. (2020)	Candidate	Other	Synthetic	PF	Violations	Post	G, Region
Arafan et al. (2022)	Candidate	—	Synthetic, Private	DP	NDKL	Pre, Post	G
Tran et al. (2022)	Candidate	KB	ACI, TO, HR	—	—	Post	Disability
Syed and Shivendu (2022)	Candidate	—	—	EO, DP	TPRP	Pre	—
Burke et al. (2021)	Candidate	Other	SIOP2021	EO	AIR	Post	—
Tran et al. (2021)	Candidate	KB	Synthetic, Private	—	—	Post	Disability
Wilson et al. (2021)	Candidate	—	Private	EO, DP	AIR, MWU, KWH	—	G, Ethnicity
Elbassuoni et al. (2020)	Candidate	—	Synthetic, Private	DP	EMD	—	G, Ethnicity
Elbassuoni et al. (2019)	Candidate	—	Private	DP	EMD	—	Multi
Geyik et al. (2019)	Candidate	—	Synthetic, Private	EO, DP	NDKL, MS, II, IC	Post	G, Age
Chen et al. (2018)	Candidate	—	Scraped	DP, IF	MWU, TDRC, EC	—	G
Amer-Yahia et al. (2020)	Both	—	Synthetic, Private	DP	KT, EMD, Exposure	—	G, Ethnicity, Nationality

In RS Type, “Both” is used when both job recommender and candidate recommender are used, and for Sensitive Attribute(s), “Multi” is used when there are four or more attributes (e.g., Gender, Nationality, Age, Ethnicity, Language). The symbol “—” is used when the column is not applicable or cannot be inferred from the paper.