Abstract This paper represents a preface to the Proceedings of XIV International Conference on Mathematics, Science and Technology Education (ICon-MaSTEd 2022) held at Kryvyi Rih State Pedagogical University, Ukraine, 18-20 May 2022. Background information organizational structure meeting, proceedings structure, acknowledgments contributions many people who made conference success are presented.

Abstract This paper represents a preface to the Proceedings of 3rd International Conference on Sustainable Futures: Environmental, Technological, Social, and Economic Matters (ICSF 2022) held at Kryvyi Rih, Ukraine, 24–27 May 2022. Background information organizational structure meeting, program committee, acknowledgments contributions many people who made conference success are presented.

This paper concerns application of feedback in LT codes. The considered type of feedback is acknowledgments, where information on which symbols have been decoded is given to the transmitter. We identify an important adaptive mechanism in standard LT codes, which is crucial to their ability to perform well under any channel conditions. We show how precipitate application of acknowledgments can i...

We reene and extend prior views of the description , purposes, and contexts-of-use of acknowledgment acts through empirical examination of the use of acknowledgments in task-based conversation. We distinguish three broad classes of acknowledgments (other!ackn, self!other!ackn, and self+ackn) and present a catalogue of 13 patterns within these classes that account for the spe-ciic uses of acknow...

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 The MetWAMer system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Data sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Stratified training and testing . . ...

................................................................................................... 24 Method ..................................................................................................... 28 Participants .................................................................................... 28 Apparatus ..........................................................................

............................................................................................................................ iii ACKNOWLEDGMENTS ........................................................................................................ v CHAPTER 1. GENERAL INTRODUCTION ...................................................................... 1 Thesis Organization .......................