background successful endodontic treatment is dependent on the knowledge of root canal anatomy. objectives this study aims to investigate the root canal anatomy of mandibular first molars in an iranian population. materials and methods one hundred human mandibular first molars were collected and stored in 5.25% naocl. radiographic images of the teeth were taken in mesial, distal, and buccal asp...

objective: to clarify the principles of a safe delivery based on clinical governance criteria, as recommended by the pertinent experts. materials and methods: the current study was part of a qualitative research conducted by content analysis method in 2013 and purposive sampling, performing 24 in-depth interviews based on semi-structured questions and analyzed using thematic content analysis. t...

Spoken dialog tasks incur many errors including speech recognition errors, understanding errors, and even dialog management errors. These errors create a big gap between the user’s intention and the system’s understanding, which eventually results in a misinterpretation. To fill in the gap, people in human-to-human dialogs try to clarify the major causes of the misunderstanding to selectively c...

This paper argues for the use of more natural and flexible clarification questions in spoken dialogue systems. Several forms and aspects of clarification questions are discussed and exemplified by examples from human-human dialogue corpora. We show how clarification questions fit into the broader context of miscommunication and describe the types of information spoken dialogue systems need in o...