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A novel non-intrusive load monitoring technique using semi-supervised deep learning framework for smart grid

Building Simulation 2024年第3期17卷 441-457页

作者： Mohammad Kaosain Akbar Manar Amayri Nizar bouguila Concordia Institute for Information Systems Engineering Concordia UniversityMontrealCanada

Non-intrusive load monitoring(NILM)is a technique which extracts individual appliance consumption and operation state change information from the aggregate power consumption made by a single residential or commercial *** plays a pivotal role in modernizing building energy management by disaggregating total energy consumption into individual appliance-level *** enables informed decision-making,energy optimization,and cost ***,NILM encounters substantial challenges like signal noise,data availability,and data privacy concerns,necessitating advanced algorithms and robust methodologies to ensure accurate and secure energy disaggregation in real-world *** learning techniques have recently shown some promising results in NILM research,but training these neural networks requires significant labeled *** initial sets of labeled data for the research by installing smart meters at the end of consumers’appliances is laborious and expensive and exposes users to severe privacy *** is also important to mention that most NILM research uses empirical observations instead of proper mathematical approaches to obtain the threshold value for determining appliance operation states(On/Off)from their respective energy consumption *** paper proposes a novel semi-supervised multilabel deep learning technique based on temporal convolutional network(TCN)and long short-term memory(LSTM)for classifying appliance operation states from labeled and unlabeled *** two thresholding techniques,namely Middle-Point Thresholding and Variance-Sensitive Thresholding,which are needed to derive the threshold values for determining appliance operation states,are also compared *** superiority of the proposed model,along with finding the appliance states through the Middle-Point Thresholding method,is demonstrated through 15%improved overall improved F1micro score and almost 26%improved Hamming loss,F1 and Specificity score for the p

关键词： semi-supervised learning non-intrusive load monitoring middle-point thresholding deep learning TCN LSTM

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Hypomagnesemia with Secondary Hypocalcemia Linked to a Novel TRPM6 Gene Mutation

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Open Journal of Pediatrics 2016年第4期6卷 290-294页

作者： Amel Tej Bernd Dworniczak Asma Marzouk Najla Soyah Samia Tilouche Moez Gribaa jihène bouguila Lamia Boughamoura Pediatric Department Farhat Hached Sousse Tunisia Department of Human Genetics Westfaelishe Wilhelms Universitat Münster Germany Department of Human Genetics Farhat Hached Sousse Tunisia Medical faculty Ibn Jazzar University of Sousse Sousse Tunisia

Hypomagnesemia with secondary hypocalcemia (HSH) is a rare inherited disorder, characterized by extremely low levels of serum magesium associated with symptomatic hypocalcemia. HSH manifests in the new born period with neurological symptoms, including generalized seizures, which are refractory to anticonvulsant treatment. In this disorder, the basic abnormality is the defective intestinal absorption of magnesium. Mutations in TRPM6, the gene encoding the transient receptor potential cation channel subfamily member 6 have been found to be responsible for this disease. We report on a four-month-old Tunisian girl who presented with convulsions. Laboratory evaluation yielded extremely low serum magnesium levels, low calcium levels, and abnormal PTH levels. The diagnosis of HSH was confirmed by mutation analysis which identified the novel mutation c.1307A >G in exon 11 of TRPM6 (Lys436Arg). Our patient was homozygous for this mutation. Prenatal diagnosis was done during second pregnancy. DNA from trophoblast biopsy showed the same mutation as the proband.

关键词： Magnesium Hypomagnesemia Hypocalcemia Convulsion TRPM6

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Effective Frameworks Based on Infinite Mixture Model for Real-World Applications

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Computers, Materials & Continua 2022年第7期72卷 1139-1156页

作者： Norah Saleh Alghamdi Sami Bourouis Nizar bouguila Department of Computer Sciences College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh 11671Saudi Arabia College of Computers and Information Technology Taif UniversityTaif21944Saudi Arabia The Concordia Institute for Information Systems Engineering(CIISE) Concordia UniversityMontrealQC H3G 1T7Canada

Interest in automated data classification and identification systems has increased over the past years in conjunction with the high demand for artificial intelligence and security *** particular,recognizing human activities with accurate results have become a topic of high *** the current tools have reached remarkable successes,it is still a challenging problem due to various uncontrolled environments and *** this paper two statistical frameworks based on nonparametric hierarchical Bayesian models and Gamma distribution are proposed to solve some realworld *** particular,two nonparametric hierarchical Bayesian models based on Dirichlet process and Pitman-Yor process are *** models are then applied to address the problem of modelling grouped data where observations are organized into groups and these groups are statistically linked by sharing mixture *** choice of the Gamma mixtures is motivated by its flexibility for modelling heavy-tailed *** addition,deploying the Dirichlet process prior is justified by its advantage of automatically finding the right number of components and providing nice ***,a learning step via variational Bayesian setting is presented in a flexible *** priors over the parameters are selected appropriately and the posteriors are approximated effectively in a closed *** results based on a real-life applications that concerns texture classification and human actions recognition show the capabilities and effectiveness of the proposed framework.

关键词： Infinite Gamma mixture model variational Bayes hierarchical Dirichlet process Pitman-Yor process texture classification human action recognition

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Diagnosis of Fucosidosis through Cutaneous Manifestations

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Open Journal of Pediatrics 2014年第1期4卷 76-78页

作者： bouguila jihene Mabrouk Sameh Ben Turkia Hadhemi Mokni Mourad Boughammoura Lamia Department of Dermatology Hospital La Rabta Tunis Tunisia Department of Pediatrics Hospital Farhat Hached Sousse Tunisia Department of Pediatrics Hospital La Rabta Tunis Tunisia

Angiokeratoma corporis diffusum is a dermatological hallmark of several inherited lysosomal storage disorders including Anderson-Fabry disease and other enzyme deficiencies such as fucosidosis. We report a 4-year-old boy with neurodevelopment delay who was diagnosed as having fucosidosis following recognition of dermatological signs, angiokeratoma and telangiectasies. The diagnosis was confirmed by leukocyte oligosaccharide enzyme analysis.

关键词： Angiokeratoma Telangiectasies Child Fucosidosis

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Giant cell hepatitis with autoimmune hemolytic anemia in a nine month old infant

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World Journal of Hepatology 2013年第4期5卷 226-229页

作者： jihene bouguila Sameh Mabrouk Samia Tilouche Dajla Bakir Amel Trabelsi Amel Hmila Lamia Boughammoura Department of Paediatrics Hospital Farhat Hached4000 SousseTunisia Department of Paediatrics Hospital Sahloul4011 SousseTunisia Department of Radiology Hospital Farhat Hached4000 SousseTunisia Laboratory of Anatomopathology Hospital Farhat Hached4000 SousseTunisia

Giant cell hepatitis(GCH)with autoimmune hemolytic anemia is a rare entity,limited to young children,with an unknown *** report the case of 9-mo old who presented with fever,diarrhea and jaundice four days before *** examination found pallor,jaundice and *** laboratory workup showed serum total bilirubin at 101 μmol/L,conjugated bilirubin at 84 μmol/L,hemolytic anemia,thrombocytopenia and immunoglobulin G(IgG)and anti-C3d positive direct Coombs' *** antinuclear,anti-smooth muscle and liver kidney microsomes 1 non-organ specific autoantibodies,antiendomisium antibodies were *** assays for viral hepatitis B and C,cytomegalovirus,herpes simplex and Epstein Barr virus were *** association of acute liver failure,Evan's syndrome,positive direct Coomb's test of mixed type(IgG and C3)and the absence of organ and non-organ specific autoantibodies suggested the diagnosis of *** diagnosis was confirmed by a needle liver *** patient was treated by corticosteroids,immunomodulatory therapy and azathioprine but died with septicemia.

关键词： Giant cell hepatitis Anemia Hemolytic Autoimmune Child

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