Disclaimer: This list is just for group Information, and should only be taken as unofficial hints on conference quality and competitiveness. AREA: Hardware and Architecture Rank 1: ASPLOS: Architectural Support for Prog Lang and OS ISCA: ACM/IEEE Symp on Computer Architecture ICCAD: Intl Conf on Computer-Aided Design MICRO: Intl Symp on Microarchitecture HPCA: IEEE Symp on High-Perf Comp Architecture Rank 2: FCCM: IEEE Symposium on Field Programmable Custom Computing Machines SC: ACM/IEEE Supercomputing Conference ICS: Intl Conf on Supercomputing ISSCC: IEEE Intl Solid-State Circuits Conf HotChips: Hot Chips Symp VLSI: IEEE Symp VLSI Circuits ISSS: International Symposium on System Synthesis DATE: IEEE/ACM Design, Automation & Test in Europe Conference Rank 3: ICA3PP: Algs and Archs for Parall Proc EuroMICRO: New Frontiers of Information Technology ACS: Australian Supercomputing Conf Unranked: Advanced Research in VLSI International Symposium on System Synthesis International Symposium on Computer Design International Symposium on Circuits and Systems Asia Pacific Design Automation Conference International Symposium on Physical Design International Conference on VLSI Design AREA: System Technology Rank 1: SIGCOMM: ACM Conf on Comm Architectures, Protocols & Apps INFOCOM: Annual Joint Conf IEEE Comp & Comm Soc SPAA: Symp on Parallel Algms and Architecture PODC: ACM Symp on Principles of Distributed Computing PPoPP: Principles and Practice of Parallel Programming MassPar: Symp on Frontiers of Massively Parallel Proc RTSS: Real Time Systems Symp SOSP: ACM SIGOPS Symp on OS Principles SOSDI: Usenix Symp on OS Design and Implementation CCS: ACM Conf on Comp and Communications Security IEEE Symposium on Security and Privacy MOBICOM: ACM Intl Conf on Mobile Computing and Networking USENIX Conf on Internet Tech and Sys ICNP: Intl Conf on Network Protocols OPENARCH: IEEE Conf on Open Arch and Network Prog PACT: Intl Conf on Parallel Arch and Compil Tech Rank 2: CC: Compiler Construction IPDPS: Intl Parallel and Dist Processing Symp IC3N: Intl Conf on Comp Comm and Networks ICPP: Intl Conf on Parallel Processing ICDCS: IEEE Intl Conf on Distributed Comp Systems SRDS: Symp on Reliable Distributed Systems MPPOI: Massively Par Proc Using Opt Interconns ASAP: Intl Conf on Apps for Specific Array Processors Euro-Par: European Conf. on Parallel Computing Fast Software Encryption Usenix Security Symposium European Symposium on Research in Computer Security WCW: Web Caching Workshop LCN: IEEE Annual Conference on Local Computer Networks IPCCC: IEEE Intl Phoenix Conf on Comp & Communications Cluster: Cluster Computing Conference ICC: Intl Conf on Comm Rank 3: MPCS: Intl. Conf. on Massively Parallel Computing Systems GLOBECOM: Global Comm ICCC: Intl Conf on Comp Communication NOMS: IEEE Network Operations and Management Symp CONPAR: Intl Conf on Vector and Parallel Processing VAPP: Vector and Parallel Processing ICPADS: Intl Conf. on Parallel and Distributed Systems Public Key Cryptosystems IEEE Computer Security Foundations Workshop Annual Workshop on Selected Areas in Cryptography Australasia Conference on Information Security and Privacy Int. Conf on Inofrm and Comm. Security Financial Cryptography Workshop on Information Hiding Smart Card Research and Advanced Application Conference ICON: Intl Conf on Networks IMSA: Intl Conf on Internet and MMedia Sys NCC: Nat Conf Comm IN: IEEE Intell Network Workshop ICME: Intl Conf on MMedia & Expo Softcomm: Conf on Software in Tcomms and Comp Networks INET: Internet Society Conf Workshop on Security and Privacy in E-commerce Un-ranked: PARCO: Parallel Computing SE: Intl Conf on Systems Engineering AREA: Programming Languages and Software Engineering Rank 1: POPL: ACM-SIGACT Symp on Principles of Prog Langs PLDI: ACM-SIGPLAN Symp on Prog Lang Design & Impl OOPSLA: OO Prog Systems, Langs and Applications ICFP: Intl Conf on Function Programming JICSLP/ICLP/ILPS: (Joint) Intl Conf/Symp on Logic Prog ICSE: Intl Conf on Software Engineering FSE: ACM Conference on the Foundations of Software Engineering (inc: ESEC-FSE when held jointly) FM/FME: Formal Methods, World Congress/Europe CAV: Computer Aided Verification Rank 2: CP: Intl Conf on Principles & Practice of Constraint Prog TACAS: Tools and Algos for the Const and An of Systems ESOP: European Conf on Programming ICCL: IEEE Intl Conf on Computer Languages PEPM: Symp on Partial Evalutation and Prog Manipulation SAS: Static Analysis Symposium RTA: Rewriting Techniques and Applications ESEC: European Software Engineering Conf IWSSD: Intl Workshop on S/W Spec & Design CAiSE: Intl Conf on Advanced Info System Engineering ITC: IEEE Intl Test Conf IWCASE: Intl Workshop on Cumpter-Aided Software Eng SSR: ACM SIGSOFT Working Conf on Software Reusability SEKE: Intl Conf on S/E and Knowledge Engineering ICSR: IEEE Intl Conf on Software Reuse ASE: Automated Software Engineering Conference PADL: Practical Aspects of Declarative Languages ISRE: Requirements Engineering ICECCS: IEEE Intl Conf on Eng. of Complex Computer Systems IEEE Intl Conf on Formal Engineering Methods Intl Conf on Integrated Formal Methods FOSSACS: Foundations of Software Science and Comp Struct Rank 3: FASE: Fund Appr to Soft Eng APSEC: Asia-Pacific S/E Conf PAP/PACT: Practical Aspects of PROLOG/Constraint Tech ALP: Intl Conf on Algebraic and Logic Programming PLILP: Prog, Lang Implentation & Logic Programming LOPSTR: Intl Workshop on Logic Prog Synthesis & Transf ICCC: Intl Conf on Compiler Construction COMPSAC: Intl. Computer S/W and Applications Conf CSM: Conf on Software Maintenance TAPSOFT: Intl Joint Conf on Theory & Pract of S/W Dev WCRE: SIGSOFT Working Conf on Reverse Engineering AQSDT: Symp on Assessment of Quality S/W Dev Tools IFIP Intl Conf on Open Distributed Processing UML: International Conference on the Unified Modeling Language