Where is FoSSaCS 2027 held?

FoSSaCS 2027 is held in Copenhagen, Denmark.

When does FoSSaCS 2027 take place?

FoSSaCS 2027 takes place on 2027-04-10.

What is the ranking of FoSSaCS?

FoSSaCS is ranked ICORE B, QUALIS A2. These are categorical rankings maintained by the respective bodies (China Computer Federation, ICORE Inc., and Brazilian CAPES).

Conference Information

FoSSaCS 2027: International Conference on Foundations of Software Science and Computation Structures

Q: What is the submission deadline for FoSSaCS 2027?

The paper submission deadline for FoSSaCS 2027 (International Conference on Foundations of Software Science and Computation Structures) is 2026-10-15.

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Submission Date:

2026-10-15 Due in 33 days

Notification Date:

2026-12-22

Conference Date:

2027-04-10

Location:

Copenhagen, Denmark

Years:

30

ICORE: B QUALIS: A2 Viewed: 43561 Tracked: 7 Attend: 0

Conference Partner Index (CP-I)

81.4 / 100

Ranked #180 of 5,680 conferences · Top 4%

#25 of 247 in Software Engineering

Academic recognition (35%)		92
Submission selectivity (20%)		76
Editions held (20%)		92
Community attention (10%)		35
Public record completeness (15%)		80

Inputs used: Listed as ICORE B, QUALIS A2 · Acceptance rate: 31.9% (mean of 5 editions on file) · Editions on record: 30 · Researchers following it here: 7 · Researchers who opened this page in the past 24 months: 6

Missing from the public record: Past editions (+3.0)
Organizers can add these from this page after claiming the conference; scores are recomputed nightly. How to raise this score

Confidence 100% - the share of the score backed by observed data rather than the neutral baseline. How this score is calculated · Browse the ranking · Algorithm version 1.1 · Computed 2026-09-12

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Call For Papers

FoSSaCS 2027 (International Conference on Foundations of Software Science and Computation Structures) is a ICORE B / QUALIS A2 conference held in Copenhagen, Denmark on 2027-04-10. The paper submission deadline is 2026-10-15. Acceptance notifications are sent on 2026-12-22.

Scope of Interest The scope of FoSSaCS is broad. The specific topics covered by the conference include, but are not limited to, the following list. Categorical models and logics. Language theory, automata, and games. Modal, spatial, and temporal logics. Type theory and proof theory. Concurrency theory and process calculi. Rewriting theory. Semantics of programming languages. Program analysis, correctness, transformation, and verification. Logics of programming. Software specification and refinement. Models of concurrent, reactive, stochastic, distributed, hybrid, and mobile systems. Emerging models of computation. Logical aspects of computational complexity. Models of software security. Logical foundations of data-bases.

Last updated by Dou Sun on 2026-05-11

Acceptance Ratio

Average acceptance rate: 31.1% over 23 years (1999–2021).

Year	Submitted	Accepted	Accepted(%)
2021	88	28	31.8%
2020	98	31	31.6%
2019	85	29	34.1%
2018	103	31	30.1%
2017	101	32	31.7%
2016	85	31	36.5%
2015	93	28	30.1%
2014	106	28	26.4%
2013	109	28	25.7%
2012	100	29	29%
2011	100	30	30%
2010	86	25	29.1%
2009	102	30	29.4%
2008	103	25	24.3%
2007	103	25	24.3%
2006	107	28	26.2%
2005	108	30	27.8%
2004	130	34	26.2%
2003	96	26	27.1%
2002	67	28	41.8%
2001	63	25	39.7%
2000	68	25	36.8%
1999	40	18	45%

Best Papers

Year	Best Papers
2025	Sharing and Linear Logic with Restricted Access
2025	Model-checking real-time systems: revisiting the alternating automaton route
2023	Unboundedness problems for machines with reversal-bounded counters
2022	Complete and tractable machine-independent characterizations of second-order polytime
2021	A String Diagrammatic Axiomatisation of Finite-State Automata
2021	Nondeterministic and co-Nondeterministic Implies Deterministic for Data Languages
2020	The inconsistent labelling problem of stutter-preserving partial-order reduction
2019	Trees in partial higher dimensional automata
2018	Guarded Traced Categories
2017	Cyclic Arithmetic Is Equivalent to Peano Arithmetic
2017	Classical System of Martin-Löf’s Inductive Definitions Is Not Equivalent to Cyclic Proof System
2016	Comprehensive Parametric Polymorphism: Categorical Models and Type Theory
2015	Synthesis of Strategies and the Hoare Logic of Angelic Nondeterminism
2014	Unsafe order-2 tree languages are context-sensitive
2013	Separation logic for non-local control flow and block scope variables
2013	Preorders on monads and coalgebraic simulations
2012	Effective characterizations of simple fragments of temporal logic using prophetic automata
2011	Probabilistic modal mu-calculus with independent product
2001	Axioms for Recursion in Call-by-Value

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Related Journals

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B	Journal of Systems and Software	3.8	Elsevier	0164-1212
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	Random Structures & Algorithms	0.900	Wiley	1042-9832
	Computation		MDPI	2079-3197
A	IEEE Transactions on Multimedia	9.7	IEEE	1520-9210
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B	Software & Systems Modeling	3.2	Springer	1619-1366
A	IEEE Transactions on Computers	3.8	IEEE	0018-9340

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