Alan Frisch

prob035 : Molnar's Problem

prob036 : Fixed Length Error Correcting Codes

prob041 : The n-Fractions Puzzle

Alice Miller

prob050 : Diamond-free Degree Sequences

prob052 : Extremal Graphs with Small Girth

Amnon Meisels

prob046 : Meeting Scheduling

Angela Miguel

prob037 : Peg Solitaire

Armagan Tarim

prob037 : Peg Solitaire

prob040 : A Distribution Problem with Wagner-Whitin Costs

Barbara Smith

prob001 : Car Sequencing

prob002 : Template Design

prob032 : Maximum density still life

prob039 : The Rehearsal Problem

Barry Hurley

prob059 : Energy-Cost Aware Scheduling

Barry O'Sullivan

prob071 : Diameter and Degree Bounded Network Design Problem

Barry O’Sullivan

prob059 : Energy-Cost Aware Scheduling

Ben Lowe

prob047 : Supply Chain Coordinations

Bilal Syed Hussain

prob054 : N-Queens

Brahim Hnich

prob030 : Balanced Academic Curriculum Problem (BACP)

prob031 : Rack Configuration Problem

prob034 : Warehouse Location Problem

Cemalettin Ozturk

prob071 : Diameter and Degree Bounded Network Design Problem

Charles Thomas

prob082 : Patient Transportation Problem

Chris Jefferson

prob035 : Molnar's Problem

prob036 : Fixed Length Error Correcting Codes

prob037 : Peg Solitaire

Christian Bessiere

prob029 : Prime queen attacking problem

Christopher Jefferson

prob041 : The n-Fractions Puzzle

Ciaran McCreesh

prob074 : Maximum Clique

Daniel Diaz

prob049 : Number Partitioning

David A. Burke

prob047 : Supply Chain Coordinations

prob048 : Minimum Energy Broadcast (MEB)

David Bogdan-Nicolae

prob090 : Wordpress application deployment in the Cloud

David Hemmi, Guido Tack and Mark Wallace

prob077 : Stochastic Assignment and Scheduling Problem

Deepak Mehta

prob059 : Energy-Cost Aware Scheduling

prob071 : Diameter and Degree Bounded Network Design Problem

Emir Demirović

prob061 : Resource-Constrained Project Scheduling Problem (RCPSP)

Evgeny Selensky

prob045 : The Covering Array Problem

Felix Ulrich-Oltean

prob085 : Bookshelves

Ferdinando Fioretto

prob070 : Distributed Channel Assignment Problem

Francisco Azevedo

prob042 : diagnosis

prob043 : differential diagnosis

prob044 : Steiner triple systems

Gary Duncan

prob012 : Nonogram

Gilles Pesant

prob067 : Quasigroup Completion

prob068 : Traveling Tournament Problem with Predefined Venues (TTPPV)

prob069 : Balanced Nursing Workload Problem

Helmut Simonis

prob009 : Perfect Square Placement

prob059 : Energy-Cost Aware Scheduling

prob062 : Interview Assignment Problem

Holger Hoos

prob007 : All-Interval Series

Ian Gent

prob012 : Nonogram

prob014 : Solitaire Battleships

prob027 : Alien Tiles Problem

prob079 : n-Queens Completion Problem and Excluded Diagonals n-Queens Problem

prob080 : Blocked n-Queens Problem

Ian Miguel

prob035 : Molnar's Problem

prob036 : Fixed Length Error Correcting Codes

prob037 : Peg Solitaire

prob038 : Steel Mill Slab Design

prob040 : A Distribution Problem with Wagner-Whitin Costs

prob041 : The n-Fractions Puzzle

Ilias S. Kotsireas

prob084 : 2cc Hadamard matrix Legendre pairs

Jean-Noël Monette

prob064 : Generalised Balanced Academic Curriculum Problem

prob065 : Optimal Financial Portfolio Design

Jim Ho Man Lee

prob004 : Mystery Shopper

Joan Espasa Arxer & Ian Miguel & Mateu Villaret

prob088 : Plotting

Karen Petrie

prob053 : Graceful Graphs

Ken Brown

prob008 : Vessel Loading

Kenneth N. Brown

prob047 : Supply Chain Coordinations

prob048 : Minimum Energy Broadcast (MEB)

Laurence Wolsey

prob058 : Discrete Lot Sizing Problem

Louis-Martin Rousseau

prob082 : Patient Transportation Problem

Luis Quesada

prob071 : Diameter and Degree Bounded Network Design Problem

Marc van Dongen

prob033 : Word Design for DNA Computing on Surfaces

Michael Codish

prob052 : Extremal Graphs with Small Girth

Milan De Cauwer

prob059 : Energy-Cost Aware Scheduling

Mohamed Wahbi

prob072 : Target Tracking in Distributed Sensor Network

Morten Mossige

prob073 : Test Scheduling Problem

Mustafa Dogru

prob047 : Supply Chain Coordinations

Patrick Prosser

prob050 : Diamond-free Degree Sequences

prob052 : Extremal Graphs with Small Girth

prob063 : Winner Determination Problem (Combinatorial Auction)

Peter Nightingale

prob055 : Equidistant Frequency Permutation Arrays

prob056 : Synchronous Optical Networking (SONET) Problem

prob057 : Killer Sudoku

prob061 : Resource-Constrained Project Scheduling Problem (RCPSP)

prob081 : Black Hole

Peter Stuckey

prob052 : Extremal Graphs with Small Girth

Peter van Beek

prob006 : Golomb rulers

Pierre Flener

prob065 : Optimal Financial Portfolio Design

Pierre Schaus

prob051 : Tank Allocation

prob058 : Discrete Lot Sizing Problem

prob075 : Product Matrix Travelling Salesman Problem

prob078 : Train Traffic Rescheduling

prob082 : Patient Transportation Problem

Quentin Cappart

prob078 : Train Traffic Rescheduling

prob082 : Patient Transportation Problem

Roie Zivan

prob046 : Meeting Scheduling

Sascha Van Cauwelaert

prob075 : Product Matrix Travelling Salesman Problem

Serdar Kadıoğlu

prob076 : Costas Arrays

Steven Prestwich

prob028 : Balanced Incomplete Block Designs

Suniel Curtis

prob022 : Bus Driver Scheduling

Sven Löffler, Ilja Becker, Petra Hofstedt

prob087 : Rotating Rostering Problem

Thi-Bich-Hanh Dao

prob066 : Distance-Based Constrained Clustering

Toby Walsh

prob003 : Quasigroup Existence

prob005 : Low Autocorrelation Binary Sequences

prob011 : ACC Basketball Schedule

prob013 : Progressive Party Problem

prob015 : Schur's Lemma

prob016 : Traffic Lights

prob017 : Ramsey Numbers

prob018 : Water Bucket Problem

prob019 : Magic Squares and Sequences

prob020 : Darts Tournament

prob021 : Crossfigures

prob023 : Magic Hexagon

prob024 : Langford's number problem

prob025 : Lam's Problem

prob026 : Sports Tournament Scheduling

prob030 : Balanced Academic Curriculum Problem (BACP)

prob041 : The n-Fractions Puzzle

Uri Shapen

prob046 : Meeting Scheduling

Vinasetan Ratheil Houndji

prob058 : Discrete Lot Sizing Problem

Vincent Armant

prob060 : Ridesharing

Walter Hower

prob016 : Traffic Lights

Warwick Harvey

prob010 : Social Golfers Problem

Yves Deville

prob058 : Discrete Lot Sizing Problem

Zeynep Kiziltan

prob030 : Balanced Academic Curriculum Problem (BACP)

prob031 : Rack Configuration Problem

prob131 : Production Line Sequencing

Özgür Akgün

prob076 : Costas Arrays

prob083 : Transshipment problem

prob086 : Capacitated Vehicle Routing Problem

prob110 : Peaceably Co-existing Armies of Queens

prob115 : Tail Assignment

prob116 : Vellino's Problem

prob131 : Production Line Sequencing

prob132 : A Layout Problem

prob133 : Knapsack Problem