scholarly journals Towards and Open Source Finite-State Morphological Analyzer for Zacatlán-Ahuacatlán-Tepetzintla Nuhuatl

2021 ◽  
Vol 1 (2) ◽  
Author(s):  
Robert Pugh ◽  
Francis Yyers ◽  
Marivel Huerta Mendez
Keyword(s):  
Open Source ◽  
Current Status ◽  
Low Resource ◽  
Finite State ◽  
Finite State Transducer ◽  
And Performance ◽  
Future Work

In this paper, we describe an in-progress, free and open-source Finite-State Transducer morphological analyzer for an understudied Nahuatl variant. We discuss our general approach, some of the technical implementation details, the challenges that accompany building such a system for a low-resource language variant, the current status and performance of the system, and directions for future work.

A FILTER-BASED ALGORITHM FOR EFFICIENT COMPOSITION OF FINITE-STATE TRANSDUCERS

2011 ◽  
Vol 22 (08) ◽  
pp. 1781-1795 ◽  
Author(s):  
CYRIL ALLAUZEN ◽  
MICHAEL RILEY ◽  
JOHAN SCHALKWYK
Keyword(s):  
Open Source ◽  
Speech Processing ◽  
Time And Space ◽  
Finite State Transducers ◽  
Look Ahead ◽  
Finite State ◽  
Push Forward ◽  
Finite State Transducer

This paper describes a weighted finite-state transducer composition algorithm that generalizes the concept of the composition filter and presents various filters that process epsilon transitions, look-ahead along paths, and push forward labels along epsilon paths. These filters, either individually or in combination, make it possible to compose some transducers much more efficiently in time and space than otherwise possible. We present examples of this drawn, in part, from demanding speech-processing applications. The generalized composition algorithm and many of these filters have been included in Open-Fst, an open-source weighted transducer library.

scholarly journals Wearable Technologies in Field Hockey Competitions: A Scoping Review

Sensors ◽  
2021 ◽  
Vol 21 (15) ◽  
pp. 5242
Author(s):  
Jolene Ziyuan Lim ◽  
Alexiaa Sim ◽  
Pui Wah Kong
Keyword(s):  
Heart Rate ◽  
Inertial Sensors ◽  
Wearable Devices ◽  
Field Hockey ◽  
Heart Rate Monitors ◽  
Search Terms ◽  
Physiological Demands ◽  
And Performance ◽  
Future Work ◽  
Skin Temperatures

The aim of this review is to investigate the common wearable devices currently used in field hockey competitions, and to understand the hockey-specific parameters these devices measure. A systematic search was conducted by using three electronic databases and search terms that included field hockey, wearables, accelerometers, inertial sensors, global positioning system (GPS), heart rate monitors, load, performance analysis, player activity profiles, and competitions from the earliest record. The review included 39 studies that used wearable devices during competitions. GPS units were found to be the most common wearable in elite field hockey competitions, followed by heart rate monitors. Wearables in field hockey are mostly used to measure player activity profiles and physiological demands. Inconsistencies in sampling rates and performance bands make comparisons between studies challenging. Nonetheless, this review demonstrated that wearable devices are being used for various applications in field hockey. Researchers, engineers, coaches, and sport scientists can consider using GPS units of higher sampling rates, as well as including additional variables such as skin temperatures and injury associations, to provide a more thorough evaluation of players’ physical and physiological performances. Future work should include goalkeepers and non-elite players who are less studied in the current literature.

scholarly journals Development of an Understanding of Reactive Mercury in Ambient Air: A Review

Atmosphere ◽  
2021 ◽  
Vol 12 (1) ◽  
pp. 73
Author(s):  
Mae Sexauer Gustin ◽  
Sarrah M. Dunham-Cheatham ◽  
Jiaoyan Huang ◽  
Steve Lindberg ◽  
Seth N. Lyman
Keyword(s):  
Ambient Air ◽  
Automated System ◽  
Current Status ◽  
Measurement Systems ◽  
Power Plant Emissions ◽  
History Of ◽  
Plant Emissions ◽  
Gas Measurements ◽  
Future Work ◽  
Stack Gas

This review focuses on providing the history of measurement efforts to quantify and characterize the compounds of reactive mercury (RM), and the current status of measurement methods and knowledge. RM collectively represents gaseous oxidized mercury (GOM) and that bound to particles. The presence of RM was first recognized through measurement of coal-fired power plant emissions. Once discovered, researchers focused on developing methods for measuring RM in ambient air. First, tubular KCl-coated denuders were used for stack gas measurements, followed by mist chambers and annular denuders for ambient air measurements. For ~15 years, thermal desorption of an annular KCl denuder in the Tekran® speciation system was thought to be the gold standard for ambient GOM measurements. Research over the past ~10 years has shown that the KCl denuder does not collect GOM compounds with equal efficiency, and there are interferences with collection. Using a membrane-based system and an automated system—the Detector for Oxidized mercury System (DOHGS)—concentrations measured with the KCl denuder in the Tekran speciation system underestimate GOM concentrations by 1.3 to 13 times. Using nylon membranes it has been demonstrated that GOM/RM chemistry varies across space and time, and that this depends on the oxidant chemistry of the air. Future work should focus on development of better surfaces for collecting GOM/RM compounds, analytical methods to characterize GOM/RM chemistry, and high-resolution, calibrated measurement systems.

Current Status, Design and Performance Trends for the Regenerative Flow Compressors and Pumps

2002 ◽  
Author(s):  
Mukarrum Raheel ◽  
Abraham Engeda
Keyword(s):  
Performance Improvement ◽  
Current Status ◽  
Ongoing Research ◽  
Performance Trends ◽  
The Family ◽  
Working Principle ◽  
Low Specific Speed ◽  
And Performance ◽  
Number Of Publications ◽  
Regenerative Flow

Regenerative flow compressors and pumps, hereafter called RFC/RFP have found many applications in industry; still they are the most neglected turbomachines in the family of dynamic compressors. The number of publications existing in literature is very small compared to the large number of papers about the centrifugal and axial turbocompressors. This paper gives a detail discussion of fundamentals and working principle of regenerative turbomachines. Regenerative compressors are compared with centrifugal compressors and the importance of regenerative turbomachines in low specific speed range is emphasized. The major findings of available literature on regenerative turbomachine are summarized. The current status, limitations and some of the challenges faced by RFC/RFP are assessed in context of performance improvement. The paper concludes with an overview of ongoing research and future directions to be followed for performance improvement of this neglected class of turbomachines.

scholarly journals Finite-State Back-Transliteration for Marathi

2017 ◽  
Vol 108 (1) ◽  
pp. 319-329 ◽  
Author(s):  
Vinit Ravishankar
Keyword(s):  
Open Source ◽  
Latin Text ◽  
Indian Language ◽  
Finite State ◽  
The Creation

AbstractIn this paper, we describe the creation of an open-source, finite-state based system for back-transliteration of Latin text in the Indian language Marathi. We outline the advantages of our system and compare it to other existing systems, evaluate its recall, and evaluate the coverage of an open-source morphological analyser on our back-transliterated corpus.

BORDERS AND FINITE AUTOMATA

2007 ◽  
Vol 18 (04) ◽  
pp. 859-871
Author(s):  
MARTIN ŠIMŮNEK ◽  
BOŘIVOJ MELICHAR
Keyword(s):  
Pattern Matching ◽  
Hamming Distance ◽  
Finite Automata ◽  
Music Analysis ◽  
Theoretical Description ◽  
Specific Form ◽  
Distance Measures ◽  
Computer Assisted ◽  
Finite State ◽  
Finite State Transducer

A border of a string is a prefix of the string that is simultaneously its suffix. It is one of the basic stringology keystones used as a part of many algorithms in pattern matching, molecular biology, computer-assisted music analysis and others. The paper offers the automata-theoretical description of Iliopoulos's ALL_BORDERS algorithm. The algorithm finds all borders of a string with don't care symbols. We show that ALL_BORDERS algorithm is an implementation of a finite state transducer of specific form. We describe how such a transducer can be constructed and what should be the input string like. The described transducer finds a set of lengths of all borders. Last but not least, we define approximate borders and show how to find all approximate borders of a string when we concern Hamming distance definition. Our solution of this problem is based on transducers again. This allows us to use analogy with automata-based pattern matching methods. Finally we discuss conditions under which the same principle can be used for other distance measures.

Effect of health education on awareness and practices of breast self-examination among females attending a charitable hospital at North Karachi

2021 ◽  
Vol 71 (9) ◽  
Author(s):  
Zohra Jabeen ◽  
Nighat Shah ◽  
Zaeema Ahmer ◽  
Sulhera Khan ◽  
Amir Hussain Khan ◽  
...  
Keyword(s):  
Health Education ◽  
Intervention Group ◽  
Positive Association ◽  
Control Group ◽  
Low Resource ◽  
Resource Setting ◽  
Low Resource Setting ◽  
Study Results ◽  
Quasi Experimental ◽  
And Performance

Abstract Objective: The objective of this study was to compare the effectiveness of health education as an intervention to promote BSE among intervention and non-intervention group presenting in a low resource setting at North Karachi Methodology: This Quasi-experimental study was conducted from January-August 2018 in a charitable hospital in Karachi after taking ethical approval by the Institutional Review Board of Jinnah Sindh Medical University and relevant approvals from the hospital authorities. This study recruited 172 eligible women by dividing them into intervention (n=86) and control (n=86) groups from a low resource setting in Karachi. Demographic variables were collected through pretested questionnaire by interview. Intervention group then received health education regarding carcinoma of breast, importance of BSE and monthly motivation to perform BSE through cell phone. The questionnaire was again filled after 6 months of intervention. Control group was also given health education sessions upon completion of study. Results: Results revealed that both groups were similar initially. After 6 months females in intervention group showed significant (p=<0.001) improvement in knowledge and performance of BSE from 44.2% to 88.4% but there was no change in control group. Being in intervention group (RR=2.714, 95% CI= 1.760 - 4.186, p=0.001) and education (RR=0.573, 95% CI= 0.361 - 0.910, p=0.018) showed positive association with BSE performance. Upon adjusting with age, marital status, family history and education, intervention group (RR=2.570, 95% CI= 1.654 - 3.992, p= 0.001) remained significant while education (RR=1.466, 95% CI =0.910 - 2.363, p=0.116) became insignificant. Continuous...

Structural fatigue and fracture of shape memory alloy actuators: Current status and perspectives

2021 ◽  
pp. 1045389X2110572
Author(s):  
Md Mehedi Hasan ◽  
Theocharis Baxevanis
Keyword(s):  
Shape Memory Alloy ◽  
Shape Memory ◽  
Current Status ◽  
Structural Fatigue ◽  
Sma Actuators ◽  
Empirical Relations ◽  
Fatigue And Fracture ◽  
And Performance ◽  
Commercial Applications ◽  
Crack Growth Rates

Shape Memory Alloy (SMA)-actuators are efficient, simple, and robust alternatives to conventional actuators when a small volume and/or large force and stroke are required. The analysis of their failure response is critical for their design in order to achieve optimum functionality and performance. Here, (i) the existing knowledge base on the fatigue and overload fracture response of SMAs under actuation loading is reviewed regarding the failure micromechanisms, empirical relations for actuation fatigue life prediction, experimental measurements of fracture toughness and fatigue crack growth rates, and numerical investigations of toughness properties and (ii) future developments required to expand the acquired knowledge, enhance the current understanding, and ultimately enable commercial applications of SMA-actuators are discussed.

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