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Abstrak :
Penelitian ini bertujuan untuk menelusuri daerah asal dan arah migrasi orang Minangkabau yang berada di Provinsi Jambi berdasarkan kajian variasi dialektal. Untuk tujuan tersebut digunakan metode dialektometri dengan teknik permutasi. Berdasarkan perhitungan tersebut, di Provinsi Jambi ditemukan lebih banyak kecenderungan asal dan arah migrasi. Titik pengamatan-titik pengamatan (TP-TP) Jambi yang memperlihatkan hubungan beda wicara dengan TP-TP Sumatera Barat mempunyai tiga pola kecenderungan asal dan arah migrasi, sedangkan TP-TP yang menunjukkan tingkat hubungan pada perbedaan subdialek menunjukkan lebih banyak kecenderungan asal dan arah migrasi, yakni tujuh pola.

This article is aimed to reveal the original homeland of Minangkabau people in Jambi Province and to trace their migration area based on dialectal variation. For that purpose, the research used the method of dialectometry by applying the technique of permutation. Based on this technique, it is found that in Jambi Province, there are many tendencies of the origines and directions of migration. The points of observation in Jambi which show the level of relation in the difference of pronunciation reveal that there are three tendencies of the pattern of the origines and directions of migration. Meanwhile, the points of observation which show the level on relation in the difference of subdialect shows more tendencies. There are seven patterns.

Abstrak :
Globalization and the possibility of bioterrorist acts have highlighted the pressing need for the development of theoretical and practical mathematical frameworks that may be useful in our systemic efforts to anticipate, prevent, and respond to acts of destabilization. Bioterrorism: Mathematical Modeling Applications in Homeland Security collects the detailed contributions of selected groups of experts from the fields of biostatistics, control theory, epidemiology, and mathematical biology who have engaged in the development of frameworks, models, and mathematical methods needed to address some of the pressing challenges posed by acts of terror. The ten chapters of this volume touch on a large range of issues in the subfields of biosurveillance, agroterrorism, bioterror response logistics, deliberate release of biological agents, impact assessment, and the spread of fanatic behavior

Abstrak :
ABSTRACT
In this paper, we introduce a new variant of Location Routing Problem with the name of Location Routing Problem with Arc Time Windows (LRP ATW), which emerges from the need of safe transportation in terror zones. In this specific problem, there are arc time windows on the arcs (roads) for transferring the vehicles like trucks and articulated lorries which means that these roads can be used for a specific period of time during a day. Within the scope of this paper, the problem and assumptions are described, and a Mixed Integer Programming (MIP) formulation is developed to solve the problem. Bounds are also improved using valid inequalities. The quality of the formulation is measured using the test problems in the literature. Computational results show that the proposed MIP formulation gives good quality results in a short computation time.