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Apache Spark is an in-memory data processing system that supports both SQL queries and advanced analytics over large data sets. In this paper, we present our design and implementation of Spark-GPU that enables Spark to utilize GPU's massively parallel processing ability to achieve both high performance and high throughput. Spark-GPU transforms a general-purpose data processing system into a GPU-supported...
For text-independent short-utterance speaker recognition (SUSR), the performance often degrades dramatically. This paper presents a combination approach to the SUSR tasks with two phonetic-aware systems: one is the DNN-based i-vector system and the other is our recently proposed subregion-based GMM-UBM system. The former employs phone posteriors to construct an i-vector model in which the shared statistics...
Turbine blade tip clearance of aero-engine is of great significance for its efficiency, fuel consumption, running state and detection of faults. Previous researches on operation state monitoring and faults diagnosis of aero-engine turbine vane based on the measurement of blade tip clearance only focused on one-dimensional blade tip radial clearance. But the turbine blade tip clearance manifested as...
In order to model the designer's autonomous real-time task scheduling behavior and use it in the agent-based product development process simulation, this paper constructed an agent's benefit function in which task urgency, task importance, agent individual preference, and recovery time are considered. To validate and show applications of the benefit function in agent-based product development process...
3D digital library is a hotspot in recent years. With the continuing development of 3D graphics technology, 3D model as the fourth-generation media has been one of the digital resources in digital library. This article analyzes the progress of two directions: 3D model indexing and compression. At last, we propose a simple frame of 3D model indexing and compression in digital library.
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