This book constitutes the refereed proceedings of theFirst International Rapid Mashup Challenge
RMC 2015 held on June 23 2015 inRotterdam The Netherlands in conjunction with the 15th
International Conferenceon Web Engineering ICWE 2015. The 2015 edition of the challenge is the
firstinstallment of a series of challenges that aim to engage researchers andpractitioners in a
competition for the best mashup approach. The 6 thoroughlyreviewed contributions contained in
this volume are extended versions of theinitial proposals that served the authors to express
their interest toparticipate in the challenge. The initial proposals have been used by
thechallenge organizers to select participants based on the interestingness andmaturity of the
proposals.
