Approach Heuristic	Sub-Type of SAR Approach	Approach Name + Reference	Direction of Recovery Select All	Technique or Tool Select All	Availability Select All	Empirical Evaluation Select All	Applied-to Systems	Required Input
		ArchView [16]	Top-Down	Technique	No	Case Study	Mozilla	Source Code, Dynamic Information, Historical Information, Human Expertise
		ArchVis [17]	Hybrid	Tool	No	Experimental Simulation	A new feature-based evaluation framework	Source Code, Textual Information, Dynamic Information, Physical Information, Styles, Viewpoints
		ARM [18]	Bottom-up	Technique	No	Case Study	SupraAnalyse and MATIS systems	Source Code, Human Expertise
		ARMIN [19], [20]	Bottom-up	Tool	No	Case Study	Not Specified	Source Code, Physical Organization, Human Expertise
		Dali [21], [22]	Hybrid	Tool	No	Field Study	VANISH Application	Source Code, Human Expertise
	Relational Queries	Gupro [23]	Bottom-up	Tool	No	Not Specified	German insurance company	Source Code, Human Expertise
		PBS/SBS [24]	Bottom-up	Tool	No	Case Study	Linux Kernel	Source Code, Physical Organization, Human Expertise
		QADSAR [25]	Bottom-up	Technique	No	Case Study	QAD analysis framework	Source Code, Human Expertise, Viewpoints
Rules based Approach		SARTool [26]	Bottom-up	Tool	No	Not Specified	Not Specified	Source Code, Human Expertise, Viewpoints
		Softwarenaut [27], [28]	Hybrid	Tool	Yes	Not Specified	Hapax semantic analysis framework	Source Code, Textual Information, Physical Organization, Human Expertise
		Unnamed repair approach [29]	Hybrid	Technique	No	Field Study	Linux Kernel	Source Code, Human Expertise
	Logic Queries	Intensive [30]	Bottom-up	Tool	No	Case Study	Two recent versions of SmallWiki	Source Code, Human Expertise
		ArchVis [31]	Hybrid	Tool	No	Experimental Simulation	A new feature-based evaluation framework	Source Code, Textual Information, Dynamic Information, Physical Information, Styles, Viewpoints
	Object Oriented Programs	Static approach for OOP systems [32]	Bottom-up	Technique	No	Field Study	Not Specified	Dynamic Information
		Abstract Object Language based approach [33]	Bottom-up	Tool	No	Precision and Recall	Industrial and public domain systems	Design Patterns
	Lexical and Structural Queries	Revealer [34], [35], [36]	Bottom-up	Tool	No	Case Study	SPARTA	Source Code, Textual Information, Human Expertise
		OMT based approach [37]	Bottom-up	Technique and Tool	No	Precision and Recall	Sodalia SpA	Source Code
		ART [37.5]	Top-Down	Tool	Yes	Precision and Recall	H261, Samba, Bash, Mosaic	Source Code, Human Expertise, Styles
		Bauhaus [38], [39], [40]	Bottom-up	Technique	No	Case Study	Aero, Bash, CVS, Mosaic	Source Code, Dynamic Information, Human Expertise
		ManSART [41], [42]	Bottom-up	Tool	No	Not Specified	Not Specified	Source Code, Physical Organization, Human Expertise, Styles
	Style Matching Recognizer	X-Ray [43]	Bottom-up	Technique	No	Case Study	Control panel, Debugger interface, Cross reference facility, Message facility, Communication package	Source Code, Human Expertise
		ADDRA [44]	Bottom-up	Tool	No	Case Study	Athena	Architectural Styles
		Unnammed [45]	Hybrid	Technique	No	Field Study	Not Specified	Source Code, Architectural Styles
		Columbus [46]	Bottom-up	Tool	No	Field Study	Maisa	Source Code
		Alborz [47], [48]	Bottom-up	Technique and Tool	No	Precision and Recall	Not Specified	Source Code, Dynamic Information, Human Expertise
		ARM [49]	Bottom-up	Technique	No	Case Study	SupraAnalyse and MATIS systems	Source Code, Human Expertise
	Graph Pattern Matching	Rigi [50], [51], [52]	Bottom-up	Tool	No	Experimental Simulation	RDS	Source Code
Design Patterns and Features based Approach		Shimba [53], [54]	Bottom-up	Tool	No	Case Study	FUJABA	Structural Information
		Unnamed [55]	Bottom-up	Technique and Tool	No	Field Study	AWT and JGL	Design Patterns
	Comparing to State machines reflecting architecture patterns	DiscoTect [56]	Bottom-up	Technique	No	Case Study	AAMS	Source Code, Dynamic Information, Human Expertise, Styles
		Unnamed [57]	Bottom-up	Tool	No	Case Study	Telephone switching system	Historical Information
		Bauhaus [58], [59], [60]	Bottom-up	Technique	No	Case Study	Aero, Bash, CVS, Mosaic	Source Code, Dynamic Information, Human Expertise
		PBS/SBS [61]	Bottom-up	Tool	No	Case Study	Linux Kernel	Source Code, Physical Organization, Human Expertise
	Entities Mapping using naming conventions	PuLSE/SAVE [62]	Bottom-up	Tool	No	Case Study	Apache Tomcat, Go Phone, SAVE, TSAFE, Migration to a Reference Architecture, Product Line versus Implementations, Component Adequacy, Product Line Potential, Commonalities among Products	Source Code, Human Expertise, Viewpoints
		RMTool [63], [64]	Top-Down	Tool	No	Case Study	NetBSD	Source Code, Human Expertise
		Unnamed repair approach [65], [66]	Hybrid	Technique	No	Field Study	Linux Kernel	Source Code, Human Expertise
		Names Matching Algorithm [67]	Bottom-up	Technique	No	Respondents	Not Specified	Source Code File Name
		ARES [68]	Top-Down	Technique and Tool	No	Case Study	TCS	Source Code, Human Expertise
		Nimeta [69]	Hybrid	Technique and Tool	No	Case Study	Venice	Dynamic Information, Human Expertise, Viewpoints
Others		Symphony [70], [71]	Hybrid	Technique	No	Case Study	SDCC, CCL, NPF	Dynamic Information, Human Expertise, Viewpoints
		Unnammed [72]	Bottom-up	Tool	No	Field Study	Linux, Mozilla, Commercial software development system	Source Code, Human Organization, Historical Information, Human Expertise
		Pat [73]	Hybrid	Tool	Yes	Precision and Recall	zApp and LEDA	Design Patterns
		RPA based Approach	Bottom-up	Tool	No	Field Study	Not Specified	Not Specified
		A microservice mesh based SAR [139]	Bottom-up	Technique	No	Not Specified	TrainTicket microservice benchmark	Source Code

Approach Heuristic	Sub-Type of SAR Approach	Approach Name + Reference	Direction of Recovery Select All	Technique or Tool Select All	Availability Select All	Empirical Evaluation Select All	Applied-to Systems	Required Input
		An ML based Automatic SAR Approach [122]	Bottom-up	Technique	No	Not Specified	Not Specified	Structural Information, Dynamic Information, Textual Information, Contextual Information
		Supervised Learning SAR approach [123]	Bottom-up	Technique	No	Field Study	Jhotdraw, Xfig	Architectural Information
	Structural Dependency Based	An automated feature selection based technique [124]	Bottom-up	Technique	No	Field Study	SAVT, FES, Mozilla	Not Specified
		Bayesian learning based approach [125]	Bottom-up	Technique	No	Field Study	Mosaic	Architectural Information
		SArF [126]	Bottom-up	Technique	No	Case Study	Weka, Fujitsu's DMTool	Source Code
		CAESAR [144]	Bottom-up	Tool	No	Case Study	AUTOSAR, HTTP Driver	Source Code
		SARIF [140]	Bottom-up	Technique	Yes	Similarity Metrics	Bash, ArchStudio, Hadoop, ITK, Chromium, OODT, HDC, HDF, Libxml2	Source Code, Structural Information, Lexical Information
		Unnamed Approach [145]	Not Specified	Not Specified	No	Similarity Metrics	ArchStudio, Hadoops	Structural, Semantic, Directory Information
		Unnamed Approach [146]	Hybrid	Technique and Tool	No	Respondents	ArgoUML	Source Code, Lexical Information
		ISAR [147]	Bottom-up	Technique	No	Similarity Metrics	"Okhttp, Mabatis, Mockito, Junit, Retrofit, Jadx, Terrier, Clone, Freecol, and Fastjson"	Source Code
		NEGAR [148]	Bottom-up	Technique	No	Similarity Metrics	Bash, ArchStudio, Hadoop, ITK, Chromium	Source Code, Structural Information
		MAFM [149]	Bottom-up	Technique	No	Not Specified	SpringCloud, SpringBlade, SOP, microservice-platform, mogu_blog_v2, bigfans-cloud, mall-swarm, pig, Xueyuan, auto-platfrom@STQ, multi-task@STQ, ci-platform@STQ	Structural Information, Source Code
Clustering (ML based)	Mapping Based Recovery	RecovAr [127]	Top-Down	Technique	No	Precision and Recall	Hadoop and Struts	Not Specified
		ML based SAR Approach [128]	Bottom-up	Technique	No	Not Specified	Xfig, Apache, Clips, Bash, ELM, GhostView	Architectural Information
		MDSD based Tool [129]	Bottom-up	Tool	No	Case Study	Matrix Framework	Not Specified
		Arch [130]	Bottom-up	Tool	No	Case Study	Not Specified	Lexical Information, Historical Information, Structural Information
	Others	TTIMs based Approach [131]	Bottom-up	Technique	No	Case Study	Apache Hadoop	Structural Information
		Bunch [132], [133], [134], [135], [136], [137], [138]	Bottom-up	Tool	Yes	Case Study	dot	Source Code, Human Expertise