The profession of teaching is something dedicated to teaching. For some, it becomes a priesthood, necessary be born with the proper “gift” for profession, being considered an ancient function, permeated by all millennia humanity. In view this, commonly questioned about obstacles and bad weather profession. present work deals itineraries teacher training, discussion daily transfer carried out ac...

In the early 20th century, the attention of Assyriologists and archaeologists was directed to a number of cuneiform tablets coming from a remote archaeological tell in Kültepe, Turkey. After the first series of excavations, archaeologists discovered a large collection of texts and the remains of a Bronze Age trade colony, referred to in the texts as kārum Kaneš. Once these initial ca. 5,000 tex...

In this paper, we present new approximation methods for the network revenue management problem with customer choice behavior. Our methods are sampling-based and so we require only minimal assumptions regarding the underlying customer choice model. The starting point for our methods is a dynamic program that allows randomization. An attractive feature of this dynamic program is that the size of ...

The Carnegie Mellon Communicator system helps users create complex travel itineraries through a conversational interface. Itineraries consist of (multi-leg) flights, hotel and car reservations and are built from actual travel information for North America, obtained from the Web. The system manages dialog using a schema-based approach. Schemas correspond to major units of task information (such ...