Chandra Shekar

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BACKGROUND The published literature on the prevalence and severity of dental caries and dental fluorosis among school going children in Nalgonda district - An Endemic Fluoride belt was lacking . OBJECTIVES To assess the prevalence and severity of dental fluorosis and dental caries among 12 and 15 years old children in relation to fluoride concentration in(More)
Bacteremia caused by gram-negative bacteria occasionally causes soft tissue infections, including cellulitis and septic arthritis. We describe 1 patient each with Campylobacter fetus cellulitis and septic arthritis and review the world literature with regard to C. fetus and C. jejuni infections at these sites. Altogether, 14 patients with cellulitis (12 due(More)
BACKGROUND The potential drawbacks of the existing antiplaque agents call for innovative strategies that are safe, effective, and easily available. OBJECTIVE The objective was to assess and compare antimicrobial efficacy of four plant extracts derived using hot and cold extraction methods against Streptococcus mutans, Streptococcus sanguis, and(More)
This paper presents a method of applying text mining techniques and data mining tools for pharmaceutical spam detection from Twitter data. A simple method based on a manually selected list of 65 pharmaceutical discriminating words is used for labeling spam training tweets. Preliminary experimental results show that J48 decision tree classifier has better(More)
PURPOSE To directly compare in 1 population: (1) the performance of Optical Coherence Tomograph (OCT) and GDx-Variable Corneal Compensator (VCC) when using Wavelet-Fourier Analysis (WFA) and Fast-Fourier Analysis (FFA), (2) the performance of these shape-based and standard metrics, and (3) the shape of the retinal nerve fiber layer (RNFL) temporal,(More)
Text messages express the state of minds from a large population on earth. From the perspective of decision makers, this collection of messages provides a precious source of information. In this paper, we present the use of Weka data mining tools to extract useful information for classifying sentiment of tweets collected from Twitter. The results of tweet(More)
New wireless technologies such as WiMAX, NFC and ZigBee are rapidly being adopted, along with existing wireless standards such as Bluetooth, Wi-Fi, GSM and other cellular technologies. Bluetooth and Wi-Fi have already become notorious for severe security shortcomings during their relatively brief existence. New vulnerabilities and exploits are reported and(More)
High Efficiency Video known as H.265 and MPEG supports resolutions up to 8192×4320. The main aim of the HEVC is bit rate reduction, the average bit rate reduction fo 62% for 1080p, and 64% for 4K UHD. This paper presents an overview of the reduction features and characteristics of the HEVC standard. Keyword: H.264, High Efficiency Video Coding (HEVC), Joint(More)