This work suggests that the heuristics make possible a smart and proactive interface design. An experiment on ten participants shows that a dynamic user interface that implements the Markov model provides the users with a better usability. The proposed method is based on a Markov chain model. This study proposes an approach to assist the migration of legacy Apps so that available functionality is prioritized, the experience of User Interface is re-thought, and the new design is evaluated with a preliminary running version of the legacy app. The migration of legacy applications by developing a new version from scratch introduces risk and uncertainty. However, there are legacy applications implementing the core business process and rules that are not designed to run properly on new mobile devices. Since the Apps are an ubiquitous tool in everyday life, it is also an opportunity for a new digital business model. Since the adoption of portable devices like smartphones or smartwatches, the usage of applications has rapidly increased for supporting diverse daily activities from connecting with friends to measuring running distance. Kata kunci: Model Sistem, LSP, sertifikasi kompetensi, UML-Bases Web Engneering Data penelitian diperoleh dari sejumlah LSP, asesor, asesi, dan TUK. Penelitian ini menghasilkan suatu alternatif model sistem manajemen sertifikasi kompetensi dan lisensi LSP yang dengan pendekatan model-driven rancangan sistem bersifat flesibel sehingga relatif mudah penerapannya diberbagai LSP yang meskipun sebagian besar struktur dan prosedur sertifikasinya sama tetapi tetap ada keunikan di masing-masing LSP. Metode pendekatan sistem yang digunakan yaitu UWE (UML-Based Web Engineering) karena kompatibilitasnya dengan alat UML yang sudah akrab di kalangan pengembang sistem dan mencakup seluruh siklus pengembangan. Pendekatan pengembangan model-driven diyakini paling tepat untuk rekayasa web. Sistem web telah menjadi salah satu platform yang paling sering digunakan sebagai basis suatu sistem. Sistem manajemen berteknologi informasi diperlukan untuk mendukung operasional LSP agar efisien, cepat, dan produktif. LSP bertanggung jawab terhadap pengembangan standar kompetensi, sertifikasi kompetensi, dan pelaksana akreditasi Tempat Uji Kompetensi (TUK). Pemerintah memastikan kompetensi tenaga kerja melalui program sertifikasi kompetensi yang dilaksanakan oleh Lembaga Sertifikasi Profesi (LSP) yang ditunjuk oleh BNSP (Badan Nasional Sertifikasi Profesi). Tenaga kerja Indonesia yang kompeten semakin penting menjelang pelaksanaan Asean Economic Community (AEC) pada tahun 2015. The paper concludes that this new trend opens an interesting new way to develop Web systems within practical projects and argues that some classical gaps can be improved with MDWE. A selection of the main MDWE development approaches are analyzed, and compared in accordance with criteria derived from the literature. This paper presents a critical review of previous studies of classical Web methodologies and makes a case for the potential of the MDWE paradigm as a means of addressing long-standing problems of Web development, for both research and enterprise. This paper presents an analysis of a selection of Web development methodologies that are using the MDE paradigm in their development process and assesses whether MDE can provide an effective solution to address the aforementioned problems. In order to address these gaps, the Model-Driven Engineering (MDE) paradigm offers a new approach which has been demonstrated to achieve good results within applied research environments. However, numerous studies have revealed major gaps in these approaches, including coverage and interoperability. In the late 1990's, there was substantial activity within the "Web engineering" research community and a multitude of new Web approaches were proposed.
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