{"first_sentence": {"type": "/type/text", "value": "Observation is the ultimate basis for our understanding of the world around us."}, "physical_format": "Hardcover", "subtitle": "An Essay for the Design of Computer-Based Modeling Tools (Applied Optimization)", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "weight": "1.5 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Springer"], "number_of_pages": 332, "isbn_13": ["9780792359272"], "id": 12600079, "edition_name": "1st edition", "isbn_10": ["0792359275"], "publish_date": "August 31, 1999", "key": "/b/OL9340184M", "authors": [{"key": "/a/OL3239813A"}], "title": "Mathematical Modeling and Optimization", "type": {"key": "/type/edition"}, "subjects": ["Mathematical modelling", "Mathematical models", "Optimization (Mathematical Theory)", "Mathematics", "Science/Mathematics", "Mathematical optimization", "Applied", "General", "Mathematics / General", "Computer Simulation", "Computer Engineering", "Linear Programming", "Data processing"], "physical_dimensions": "9.8 x 6.5 x 1 inches", "revision": 1}