gebhart/patrepeval huggingface dataset:
User-assisted coverage and interference optimization for broadband femtocells (2009)

We present ways for user-assisted coverage configuration and interference optimization. The femtocell coverage is measured in a user-assisted site survey, followed by an automatized evaluation and femtocell configuration adjustment. To achieve this, the user only needs his mobile phone for interaction. Existing, commercial technology only offers measurement of the radio environment and a visualization of the respective results. We describe how measurements of at least two measurement series at different power levels along an identical path can be used to find a good configuration in an automatized manner. It is described how measurement sequences can be aligned to make them comparable to each other.
Cooperative MIMO transmission scheme for clustered ad hoc networks (2012)

The potential of cooperative multiple-input multiple-output(CMIMO) transmission was explored.An accord-ing CMIMO transmission scheme was proposed for clustered ad hoc networks,including two critical aspects.The first was weighted cooperative node selection algorithm,which synthesized the asymmetrical bi-directional channel state in-formation(CSI) between nodes,as well as the nodes' residual energy and connectivity.Consequently,a set of optimal nodes was selected to develop the CMIMO system mentioned above.The second was the mechanism of establishing and maintaining virtual link between two virtual nodes.Simulation shows that the proposed CMIMO transmission scheme affords higher capacity against SISO,and the scheme with node selection is more energy-efficient than that without node selection for the 70% energy saved.
Visualization and analysis of email networks (2007)

This paper presents various methods for visualization and analysis of email networks; visualization on the surface of a sphere to reveal communication patterns between different groups, a hierarchical drawing displaying the centrality analysis of nodes to emphasize important nodes, a 2.5D visualization for temporal email networks to analyze the evolution of email relationships changing over time, and an ambient display for finding social circles derived from the email network. Each method was evaluated with various data sets from a research organization. We also extended our method for visual analysis of an email virus network.
Future trends in local lifetime control [power semiconductor devices] (2002)

Energy and dose mixing concept, applied in ion irradiation technology for local lifetime tailoring, is shown to be capable of creating a customer-specific lifetime profile. The electrical parameters of power diode, subjected to the new ion irradiation concept, are compared with those ones resulting from the energy dispersed alpha particle irradiation.
Synthesis, Structure, and Catalytic Applications for <i>ortho</i>- and <i>meta</i>-Carboranyl Based NBN Pincer-Pd Complexes (2014)

o- and m-Carborane-based NBN pincer palladium complexes (oCB-L1)Pd, (oCB-L2)Pd, and (mCB-L1)Pd are synthesized in two steps from commercially available starting materials. The pincer complexes were prepared by the reaction of bis-[R(hydroxy)methyl]-1,2-dicarba-closo-dodecaborane (R = 2-pyridyl oCB-L1, 6-methyl-2-pyridyl oCB-L2) or bis-[2-pyridyl (hydroxy)methyl]-1,2-dicarba-meta-dodecaborane (mCB-L1) with [PdCl2(MeCN)2] under mild conditions. The X-ray structure determination of all carboranyl pincer complexes shows unambiguously B-H activation of the carborane cages. The results agree with the Pd-B bonds in all complexes exhibiting strong σ-electron donation. Theoretical calculations reveal the importance of considering the solid state intermolecular hydrogen bonding when investigating the trans influence in organometallic chemistry. A localized orbitals approach has also been applied to analyze the metal oxidation state in the carboranyl pincer complexes. Catalytic applications of (oCB-L1)Pd and (mCB-L1)Pd have shown the complexes are good catalyst precursors in Suzuki coupling in water and with very low amounts of catalyst loadings.
Oncogenic effects of WNT5A in Epstein-Barr virus-associated nasopharyngeal carcinoma (2014)

The molecular events that drive the progression of Epstein-Barr virus (EBV)-associated nasopharyngeal carcinoma (NPC) are still to be elucidated. Here, we report for the first time the pathogenic significance of an NPC-associated gene, wingless-type MMTV integration site family, member 5A (WNT5A) and the contribution of EBV to its expression. WNT5A is a representative Wnt protein that activates non-canonical Wnt signalling. With regard to its role in carcinogenesis, there is conflicting evidence as to whether WNT5A has a tumour-promoting or tumour-suppressive role. We show that WNT5A is upregulated in primary NPC tissue samples. We also demonstrate that WNT5A expression was dramatically increased in NPC cell lines expressing the EBV-encoded LMP2A gene, suggesting that this EBV-encoded latent gene is responsible for upregulating WNT5A in NPC. In addition, in vitro WNT5A overexpression promotes the proliferation, migration and invasion of NPC cells. Our results not only reveal pro-tumorigenic effects of WNT5A in NPC but also suggest that WNT5A could be an important therapeutic target in patients with EBV-associated disease.
A Stochastic Quasi-Newton Method for Large-Scale Optimization (2014)

The question of how to incorporate curvature information in stochastic approximation methods is challenging. The direct application of classical quasi- Newton updating techniques for deterministic optimization leads to noisy curvature estimates that have harmful effects on the robustness of the iteration. In this paper, we propose a stochastic quasi-Newton method that is efficient, robust and scalable. It employs the classical BFGS update formula in its limited memory form, and is based on the observation that it is beneficial to collect curvature information pointwise, and at regular intervals, through (sub-sampled) Hessian-vector products. This technique differs from the classical approach that would compute differences of gradients, and where controlling the quality of the curvature estimates can be difficult. We present numerical results on problems arising in machine learning that suggest that the proposed method shows much promise.
3D reconstruction of highly fragmented bone fractures (2007)

A system for the semi-automatic reconstruction of highly fragmented bone fractures, developed to aid in treatment planning, is presented. The system aligns bone fragment surfaces derived from segmentation of volumetric CT scan data. Each fragment surface is partitioned into intact- and fracture-surfaces, corresponding more or less to cortical and cancellous bone, respectively. A user then interactively selects fracture-surface patches in pairs that coarsely correspond. A final optimization step is performed automatically to solve the N-body rigid alignment problem. The work represents the first example of a 3D bone fracture reconstruction system and addresses two new problems unique to the reconstruction of fractured bones: (1) non-stationary noise inherent in surfaces generated from a difficult segmentation problem and (2) the possibility that a single fracture surface on a fragment may correspond to many other fragments.
Los géneros de «simulación de realidad»: la producción como concepto clave en el análisis de los productos mediáticos (2005)

La Educacion en Medios de Comunicacion (EMC) viene empleando con exito la propuesta de los «conceptos clave» (key concepts) como herramienta para el analisis de los medios desde su formulacion teorica en los anos 80. Esta propuesta de conceptos clave ha variado con el tiempo y en su propia naturaleza esta su adaptabilidad a las condiciones particulares de uso. En todo caso, como regla general podemos hablar de cuatro grandes conceptos clave que correctamente articulados nos son utiles para el analisis de dentro un programa de EMC: Produccion, Lenguajes, Representacion y Audiencias. El analisis combinado desde esta cuatro perspectivas –a la vez que nos ayuda a superar las divisiones entre propuestas de analisis monofocales de las escuelas teoricas clasicas– nos permite tener un conocimiento amplio sobre nuestro objeto de estudio, un paso necesario (aunque no exclusivo) para una formacion critica de los telespectadores. De estos cuatro conceptos clave, el mas olvidado en nuestra sociedad a la hora de valorar los productos mediaticos parece ser la Produccion (este concepto incluye cuestiones como las practicas y condiciones de los profesionales, las dinamicas de la industria, los objetivos de los productores, la participacion y el acceso de la audiencia en los procesos de produccion, etc.). Asi, se suele valorar a los programas televisivos por sus contenidos, los valores que promueven, los recursos empleados, los supuestos efectos sobre la audiencia, etc., pero normalmente no se tienen en cuenta las condiciones en que han sido producidos. Igual que movimientos como el Comercio Justo promueven tener en cuenta como se han elaborado los productos que consumimos, la EMC deberia hacer lo propio con los productos mediaticos. Cada producto que consumimos supone apoyar un tipo u otro de modelo de produccion. Para tomar esta decision de manera consciente y razonada, el telespectador tendria que tener a su alcance la informacion necesaria, algo que deberia ser exigible a los productores en una sociedad verdaderamente democratica, y para lo cual es necesario de momento la colaboracion de aquellos profesionales mas comprometidos. Desde esta perspectiva, en este texto se realiza como estudio de caso un analisis de los llamados «generos de simulacion de realidad» –que incluyen reality-shows, talk-shows y programas del corazon, principalmente–, uno de los generos con mas presencia en nuestras televisiones y por tanto mas consumidos por la audiencia. Sin dejar de lado el resto de conceptos clave que permiten tener una vision global, se hace hincapie en las condiciones de produccion de este tipo de programas, marcadas en gran parte, como se vera, por la racionalidad mercantil y la deshumanizacion que esta produce.
Photodegradation of Halogenated Xanthene Dyes (1978)

At the outset, the work of several other of our colleagues who aided in the collection of the data used in this presentation should be acknowledged. They are Dr. Gajanan Pimprikar, Mr. Richard D. Vincent, Mr. John E. Fondren, Jr., Mr. William A. Peoples, II, and Mr. Kashinath Nag--all of Mississippi State University. Since this symposium is devoted to "Disposal and Decontamination of Pesticides," it is appropriate to justify the inclusion of xanthene dyes as pesticides before discussing our work on the degradation and detoxification of these molecules. Within the last six years, it has been reported that when insects were fed certain dyes and subsequently exposed to visible light, a toxic reaction was observed (1-10). An example of this toxicity in insects caused by the synergistic effects of visible light and dyes is shown in Table I. Imported fire ants were field collected and maintained in the mound soil
Proximity beacons and mobile device authentication : (2005)

NIST) promotes the U.S. economy and public welfare by
Monoclonal antibodies detecting antigenic determinants with restricted expression on erythroid cells: from the erythroid committed progenitor level to the mature erythroblast (1984)

Two new cell surface antigens specific for the erythroid lineage were defined with cytotoxic IgM monoclonal antibodies (McAb) (EP-1; EP-2) that were produced using BFU-E-derived colonies as immunogens. These two antigens are expressed on in vivo and in vitro derived adult and fetal erythroblasts, but not on erythrocytes. They are not detectable on resting lymphocytes, concanavalin-A (Con-A) activated lymphoblasts, granulocytes, and monocytes or granulocytic cells or macrophages present in peripheral blood or harvested from CFU-GM cultures. Cell line and tissue distributions distinguish McAb EP-1 and EP-2 from all previously described monoclonal antibodies. McAb EP-1 (for erythropoietic antigen-1) inhibits the formation of BFU-E and CFU-E, but not CFU-GM, colonies in complement-dependent cytotoxicity assays. By cell sorting analysis, about 90% of erythroid progenitors (CFU-E, BFU-E) were recovered in the antigen-positive fraction. Seven percent of the cells in this fraction were progenitors (versus 0.1% in the negative fraction). The expression of EP-1 antigen is greatly enhanced in K562 cells, using inducers of hemoglobin synthesis. McAb EP-2 fails to inhibit BFU-E and CFU-E colony formation in complement-dependent cytotoxicity assays. EP-2 antigen is predominantly expressed on in vitro derived immature erythroblasts, and it is weakly expressed on mature erythroblasts. The findings with McAb EP-1 provide evidence that erythroid progenitors (BFU-E and CFU-E) express determinants that fail to be expressed on other progenitor cells and hence appear to be unique to the erythroid lineage. McAb EP-1 and EP-2 are potentially useful for studies of erythroid differentiation and progenitor cell isolation.
Human Cu/Zn superoxide dismutase gene family: molecular structure and characterization of four Cu/Zn superoxide dismutase-related pseudogenes. (1986)

Four distinct human Cu/Zn superoxide dismutase (SOD1; EC 1.15.1.1)-related sequences were isolated from genomic DNA libraries. Genomic blots, heteroduplex analyses, and DNA sequencing showed that they are processed pseudogenes not residing on chromosome 21. Three of them originated from the 0.7-kilobase SOD1 mRNA, while the fourth was derived from the 0.9-kilobase mRNA species. Comparison between the coding sequences of the functional gene and two of the processed genes suggested that they integrated into the genome about 25 million years ago.
Dicer partner protein tunes the length of miRNAs using base-mismatch in the pre-miRNA stem (2018)

Dicer partner proteins Drosophila Loquacious-PB (Loqs-PB) and human TRBP tune the length of miRNAs produced by Dicer from a subset of pre-miRNAs and thereby alter their target repertoire, by an unknown mechanism. Here, we developed a novel high-throughput method that we named Dram-seq (Dice randomized pre-miRNA pool and seq) to study length distributions of miRNAs produced from thousands of different pre-miRNA variants. Using Dram-seq, we found that a base-mismatch in the pre-miRNA stem can alter the length of miRNAs compared with a base-pair at the same position in both Drosophila and human, and is important for the miRNA length tuning by Loqs-PB. Loqs-PB directly bound base-mismatched nucleotides in the pre-miRNA stem. We speculate that Loqs-PB tunes miRNA length by changing the conformation of base-mismatched nucleotides in the pre-miRNA stem to that of base-paired ones and thereby altering the distance of the pre-miRNA stem.
Self-renewal capacity is a widespread property of various types of neural crest precursor cells (2004)

In vertebrates, trunk neural crest (NC) generates glia, neurons, and melanocytes. In addition, it yields mesectodermal derivatives (connective tissues, chondrocytes, and myofibroblasts lining the blood vessels) in the head. Previous in vitro clonal analyses of avian NC cells unraveled a hierarchical succession of highly pluripotent, followed by various intermediate, progenitors, suggesting a model of progressive restrictions in the multiple potentialities of a totipotent stem cell, as prevails in the hematopoietic system. However, which progenitors are able to self-renew within the hierarchy of the NC lineages is still undetermined. Here, we explored further the stem cell properties of quail NC cells by means of in vitro serial subcloning. We identified types of multipotent and oligopotent NC progenitors that differ in their developmental repertoire, ability to self-maintain, and response to exogenous endothelin 3 according to their truncal or cephalic origin. The most striking result is that bipotent progenitors are endowed with self-renewal properties. Thus glia-melanocyte and glia-myofibroblast progenitors behave like stem cells in that they are able both to self-renew and generate a restricted progeny. In our culture conditions, glia-myofibroblast precursors display a modest capacity to self-renew, whereas glia-melanocyte precursors respond to endothelin 3 by extensive self-renewal. These findings may explain the etiology of certain multiphenotypic NC-derived tumors in humans. Moreover, the presence of multiple stem cell phenotypes along the NC-derived lineages may account for the rarity of the "totipotent NC stem cell" and may be related to the large variety and widespread dispersion of NC derivatives throughout the body.
Research on the selection algorithm of precoding matrix in TDD LTE (2011)

This paper presents an efficient method for calculating the Precoding Matrix Indicator (PMI) at a Long Term Evolution (LTE) User Equipment (UE). To solve problem of the high computational complexity in selection algorithm of precoding codebook for TDD LTE. A new selection algorithm based on singular value decomposition of channel matrix is presented. Our method reduces the computational complexity enormously by using the idea of channel average and maximizing effective power of transmitted signals. Then some simulations based on TDD-LTE downlink physical layer simulator are given. The simulations results show that the proposed algorithm greatly reduce the computational complexity compare to these two traditional algorithms while performance loss is very small, it is a good compromise of complexity and performance.
Beneficial Effects of Combined Treatment With Rosiglitazone and Exercise on Cardiovascular Risk Factors in Patients With Type 2 Diabetes (2007)

Physical activity attenuates metabolic and cardiovascular maladaptations in diabetes by improving glycemic control, insulin resistance, cardiorespiratory fitness, and adipocytokines levels (adiponectin, resistin, tumor necrosis factor [TNF]-α, and interleukin [IL]-6) (1,2). Likewise, thiazolidinediones favorably influence the above indexes (3,4). We hypothesized that the combination of exercise training and rosiglitazone, a thiazolidinedione, would confer additional benefits in the metabolic and cardiovascular profiles of diabetic patients, exceeding those of each treatment alone.

A total of 100 Caucasian, overweight/obese (BMI> 25 kg/m2) patients with type 2 diabetes consented to participate. They were treated with half-maximal doses of metformin (1,700 mg) and gliclazide (180 mg) for at least 6 months, with poor glycemic control eventually occurring (A1C > 7%). Smokers and patients receiving lipid-lowering medications, insulin, or thiazolidinediones were rejected. Those with vascular complications, life-threatening diseases, orthopedic problems, and heart, liver, or renal impairment were also excluded. After baseline examination, participants were randomized to one of the following age- and sex-matched groups: 1 ) the control group ( n = 25); 2 ) the exercise group ( n = 25), who underwent 8 months’ exercise training; 3 ) the rosiglitazone group ( n = 25), who had adjunctive therapy with 8 mg/day rosiglitazone; and 4 ) the rosiglitazone plus exercise (RSG + EX) group ( n = 25), who participated in the 8-month exercise program (as in the exercise group) while simultaneously receiving treatment with 8 mg/day rosiglitazone.

The prescription of the exercise program was based on initial ergocycle testing results. Afterward, its workload was gradually increased until patients achieved 50–80% V o2max during 45–60 min sessions four times a week (5). After the fourth week, the intensity and duration of each session remained constant. …
Fog-Assisted wIoT: A Smart Fog Gateway for End-to-End Analytics in Wearable Internet of Things (2017)

Today, wearable internet-of-things (wIoT) devices continuously flood the cloud data centers at an enormous rate. This increases a demand to deploy an edge infrastructure for computing, intelligence, and storage close to the users. The emerging paradigm of fog computing could play an important role to make wIoT more efficient and affordable. Fog computing is known as the cloud on the ground. This paper presents an end-to-end architecture that performs data conditioning and intelligent filtering for generating smart analytics from wearable data. In wIoT, wearable sensor devices serve on one end while the cloud backend offers services on the other end. We developed a prototype of smart fog gateway (a middle layer) using Intel Edison and Raspberry Pi. We discussed the role of the smart fog gateway in orchestrating the process of data conditioning, intelligent filtering, smart analytics, and selective transfer to the cloud for long-term storage and temporal variability monitoring. We benchmarked the performance of developed prototypes on real-world data from smart e-textile gloves. Results demonstrated the usability and potential of proposed architecture for converting the real-world data into useful analytics while making use of knowledge-based models. In this way, the smart fog gateway enhances the end-to-end interaction between wearables (sensor devices) and the cloud.
The Shape Memory (‘Marmem’) Effect in Alloys (1972)

AbstractAbstractThe shape memory effect, by which a material, apparently plastically deformed, reverts to its original shape upon heating to some higher temperature, has been reviewed and discussed from the point of view of the crystallography of martensitic transformations. Considering the general characteristics of martensitic materials that exhibit the shape memory behaviour, some phenomena peculiar to the prototype NiTi alloy are shown to have no direct relation to the shape memory. It is concluded that the shape memory effect can be universally correlated with a martensitic transformation that is thermoelastic in nature, the thermoelasticity being attributed to ordering in the parent and martensitic phases.Prerequisites for the shape memory behaviour are suggested to be: (1) that the martensitic transformation is thermoelastic; (2) that the parent and martensitic phases are ordered; and (3) that the martensite is internally twinned. The low-temperature deformation process is discussed with reference to the last of these. The deformation behaviour depends on the deformation temperature in relation to the M s and M f temperatures and consists of several probable mechanisms: (a) an intramartensite twin-boundary displacement under stress, possibly accompanied by the introduction of additional reversible mechanical twins; and (b) the growth of some existing plates and the shrinkage of others under stress, including stress-induced reversion followed by retransformation to habit-plane variants with more favourable stress coupling. At temperatures well below M f only process (a) is considered likely to occur, and processes (a) and (b) would apply to the martensitic state whether thermally or mechanically induced. Upon heating, the deformed martensite must transform back to the original parent-phase orientation in a thermoelastic manner, and accordingly the martensite exhibits a memory. The term ‘marmem’ is introduced to describe this general behaviour, now common to a number of materials.Related phenomena such as ‘rubberlike’ behaviour and ‘pseudoelasticity’ are also discussed in relation to the shape memory effect. Present uses of marmem alloys are described and some future applications are suggested.
Smoking duration, intensity, and risk of Parkinson disease (2010)

This large study suggests that long-term smoking is more important than smoking intensity in the smoking-Parkinson disease relationship.