Miracle-dz/UniFAR-FTUs huggingface dataset:
Distributed interference alignment with limited feedback for cellular networks

In theory, coordinated multipoint transmission (CoMP) promises vast gains in spectral efficiency. However, industrial field trials show rather disappointing throughput gains, whereby the major limiting factor is properly sharing channel state information. This so-called limited feedback problem has been considered in many recent papers in context of CoMP under the assumptions: 1) infinite SNR regime, 2) no user selection and 3) ideal link adaption; rendering the analysis overly optimistic. In this paper we make a step forward towards a more realistic assessment of the limited feedback problem by introducing an improved metric for the performance evaluation, which better captures the throughput degradation. We obtain the relevant scaling laws (lower and upper bounds) and show that they are, at finite SNR, fundamentally different from existing ones. Moreover we provide a robust iterative interference alignment algorithm and corresponding feedback strategies achieving the optimal scaling laws. The main idea is that instead of sending the complete channel matrix to each base station each user fixes a receive filter in each iteration and feeds back a quantized version of the effective channel. Finally we underline the findings with simulations for the proposed system.
Catalog of Type Specimens of Recent Crocodilia and Testudines in the National Museum of Natural History, Smithsonian Institution

Reynolds, Robert P., Steve W. Gotte, and Carl H. Ernst. Catalog of Type Specimens of Recent Crocodilia and Testudines in the National Mueum of Natural History, Smithsonian Institution. Smithsonian Contributions to Zoology, number 626, 49 pages, 1 table, 2007. —The known type specimens of Crocodilia and Testudines in the collection of the Division of Amphibians and Reptiles, National Museum of Natural History, Smithsonian Institution, published through 2006 represent 93 names of taxa. The catalog presents a list of 249 type-specimen records consisting of 39 holotypes, 52 syntypes, 3 lectotypes, 2 neotypes, 132 paratypes, and 21 paralectotypes. The list is arranged alphabetically by family within Crocodilia and Testudines, and alphabetically by genus and species, as described originally within family. Each entry provides both original and current genus and species names, author(s), date of publication, abbreviated type citation, page of original description, and accompanying fi gures and plates (if any), current type status, USNM catalog number, number of specimens, specimen measurement(s), locality, collector, and date collected. Also included for each taxon is the published type locality, type material at other institutions, an etymology, and remarks on corrections or additional data for original type records, changes in type status, and information pertaining to lost, exchanged, or destroyed specimens. An index of scientifi c names follows the catalog. Published by Smithsonian Institution Scholarly Press
AMOEBIC LIVER ABSCESS. A PROSPECTIVE STUDY OF 200 CASES IN A RURAL REFERRAL HOSPITAL IN SOUTH INDIA

This prospective study was carried out on 200 patients with clinically, ultrasonographically and serologically confirmed amoebic liver abscess (ALA). All patients were evaluated clinically and by ultrasound on admission and day 15 and subsequently after 3 and 6 months. The majority were young or middle aged males (93%) belonging to the lower socio-economic group. Sixty four percent gave history of alcohol consumption of locally fermented brands. The common clinical manifestations were right upper quadrant pain (92%). None of the liver function tests were diagnostic though alkaline phosphatase was elevated in 69.5% of patients. Ultrasonography was useful in diagnosis and guiding needle aspiration. The size of the abscess varied from 2cm to 15cm in diameter. Seventy one (35.5%) patients underwent ultrasound guided needle aspiration, 10 required surgical drainage and the rest antiamebic drugs alone. Initial response was better in aspirated group (p <0.05) but resolution of abscess (by ultrasound) after 6 months was similar. There were no complication of the procedure and no deaths. Needle aspiration combined with chemotherapy represents a successful therapeutic approach in the management of ALA. Despite successful therapy, 61 of our 200 patients had residual abscess cavity on ultrasound examination even after 6 months demonstrating that complete resolution of ALA is slow. Bahrain Med Bull 1995;17(4):
Organizational Learning during Advanced System Development: Opportunities and Obstacles

Higher-order organizational learning occurs when a company adopts new principles, assumptions, and paradigms, which often turn into competitive advantage. Systems development and implementation offer an opportunity for higher-order organizational learning that is rarely exploited. Advanced information systems, in particular expert systems (ES) and executive information systems (EIS), provide ample opportunities for higher-order organizational learning if the development process is structured in certain ways. This work includes an analysis of three organizations in terms of project outcomes, organizational learning outcomes, and organizational performance. On the basis of these assessments, five critical success factors are identified that may contribute to organizational learning during advanced system development. The relationships between these factors and organizational outcomes are summarized in a preliminary model that can form the basis for future research. The work closes with some recommendations for ways information systems managers can encourage higher-order organizational learning during advanced system development.
Internet memes as contested cultural capital: The case of 4chan’s /b/ board

This article explores the workings of memes as cultural capital in web-based communities. A grounded analysis of 4chan’s /b/ board reveals three main formulations of memes as capital, delineating them as subcultural knowledge, unstable equilibriums, and discursive weapons. While the first formulation follows well-documented notions about subcultural knowledge as a basis for boundary work, the latter two focus on the dualities intrinsic to Internet memes. The contradiction between following conventions and supplying innovative content leads to memes’ configuration as unstable equilibriums, triggering constant conflict about their “correct” use. Paradoxically, this struggle highlights collective identity, as it keeps shared culture at the center of discussion. Similarly, when memes are used as jabs at the most intense points of arguments, they function simultaneously as signifiers of superior authoritative status and as reminders of common affinity. Thus, the dualities underpinning memes’ structure lead to their performance as contested cultural capital.
High-throughput gene expression profiling identified a novel signalling pathway involved in hepatitis virus resistance to interferon-based therapy

Sichuan Mingri Pharmaceutical Research Institute of New Technology, Chengdu, Sichuan 610100, China Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan 610052, China Toronto General Research Institute, University Health Network, University of Toronto, Toronto, ON, M5G 1L6 Canada *Corresponding author: limin_chen_99@yahoo.com or limin.chen@utoronto.ca Phone: +86-28-61648530 These authors contributed equally to this manuscript
Myeloid and Non-Myeloid Cells TLR / IL-1 R Responses in Human Defective Post-Transcriptional Detection and Characterization of Mutation ( Q 293 X ) : RapidIRAK

2006;177;8202-8211 J. Immunol. David P. Speert Turvey, Robert E. W. Hancock, Rebecca S. Devon and Puel, Capucine Picard, Jean-Laurent Casanova, Stuart E. Rebecca C. Ma, Johan Bylund, Paul A. Campsall, Anne Bowdish, Kelly L. Brown, Carrie M. Rosenberger, Donald J. Davidson, Andrew J. Currie, Dawn M. E. Myeloid and Non-Myeloid Cells TLR/IL-1R Responses in Human Defective Post-Transcriptional Detection and Characterization of Mutation (Q293X): Rapid IRAK-4
Longitudinal changes in peripheral refraction with age

The changes in the patterns of refraction (skiagrams) over the central ±35 degrees of the horizontal field of 3 originally near‐emmetropic eyes of 2 subjects were determined over a time interval of 26 years. The subjects were aged 32 and 40 years at the time of the first measurements. The central refractions shifted in the expected hyperopic direction, while the radial and tangential image fields in the periphery became more myopic. These longitudinal results agree with recent transverse studies, provided that allowance is made for the change in central refraction: the reported loss with age in peripheral visual performance does not seem to be attributable to markedly increased peripheral astigmatism.
Biological determinants of cancer progression in men with prostate cancer.

CONTEXT The recent increase in ability to diagnose prostatic adenocarcinoma has created a dilemma for treatment decisions. OBJECTIVE To determine whether prostate cancer progression is associated with a modified version of the Gleason grading system together with selected morphologic and clinical variables. DESIGN Retrospective analysis of a cohort of patients with peripheral zone prostate cancers who underwent surgery between August 1983 and July 1992. SETTING University hospital. PATIENTS Radical prostatectomy specimens from 379 men treated only by surgical excision were prospectively studied for 8 morphologic variables using previously standardized techniques. Variables were percentage of each cancer occupied by Gleason grade 4/5 (% Gleason grade 4/5, the Stanford modified Gleason scale), cancer volume, vascular invasion, lymph node involvement, seminal vesicle invasion, capsular penetration, positive surgical margin, prostate weight, and preoperative prostate-specific antigen (PSA) level. MAIN OUTCOME MEASURE Biochemical progression of prostate cancer as indicated by serum PSA level of 0.07 ng/mL and increasing. RESULTS Cancer grade expressed as % Gleason grade 4/5 and cancer volume were highly predictive of disease progression. In a Cox proportional hazards model that included % Gleason grade 4/5, the traditional Gleason score was not an independent predictor of treatment failure. Positive lymph node findings and intraprostatic vascular invasion were the only other variables that remained significant at the . 01 level. CONCLUSION The % Gleason grade 4/5, cancer volume, positive lymph node findings, and intraprostatic vascular invasion were independently associated with prostate cancer progression, defined by an increasing PSA level. Techniques to accurately measure cancer volume and % Gleason grade 4/5 are needed to better predict which patient will experience cancer progression. The commonly accepted predictors of progression-capsular penetration and positive surgical margins-were not independently predictive of failure after radical prostatectomy.
Opposing Patterns of Seasonal Change in Functional and Phylogenetic Diversity of Tadpole Assemblages

Assemblages that are exposed to recurring temporal environmental changes can show changes in their ecological properties. These can be expressed by differences in diversity and assembly rules. Both can be identified using two measures of diversity: functional (FD) and phylogenetic diversity (PD). Frog communities are understudied in this regard, especially during the tadpole life stage. We utilised tadpole assemblages from Madagascan rainforest streams to test predictions of seasonal changes on diversity and assemblage composition and on diversity measures. From the warm-wet to the cool-dry season, species richness (SR) of tadpole assemblages decreased. Also FD and PD decreased, but FD less and PD more than expected by chance. During the dry season, tadpole assemblages were characterised by functional redundancy (among assemblages—with increasing SR), high FD (compared to a null model), and low PD (phylogenetic clustering; compared to a null model). Although mutually contradictory at first glance, these results indicate competition as tadpole community assembly driving force. This is true during the limiting cool-dry season but not during the more suitable warm-wet season. We thereby show that assembly rules can strongly depend on season, that comparing FD and PD can reveal such forces, that FD and PD are not interchangeable, and that conclusions on assembly rules based on FD alone are critical.
Research on a high energy utilization efficiency electromagnetic aircraft launcher with an ultracapacitor bank

Energy utilization efficiency (EUE) is low when an ultracapacitor bank directly supplies power for an electromagnetic aircraft launcher (EMAL). To solve this problem, a boost converter is added between the ultracapacitor bank and the linear acceleration motor of the EMAL. The difference between the terminal voltage of the ultracapacitor bank and the peak back electromotive force of the linear motor is used to control the boost converter. System modeling and parametric design are presented. Simulation results show the ultracapacitor bank can discharge fast over a wide terminal voltage range and EUE is improved remarkably.
350 μm Observations of Ultraluminous Infrared Galaxies at Intermediate Redshifts

We present 350 μm observations of 36 ultraluminous infrared galaxies (ULIRGs) at intermediate redshifts (0.089 ≤ z ≤ 0.926) using the Submillimeter High Angular Resolution Camera II (SHARC-II) on the Caltech Submillimeter Observatory (CSO). In total, 28 sources are detected at S/N ≥ 3, providing the first flux measurements longward of 100 μm for a statistically significant sample of ULIRGs in the redshift range 0.1 ≲ z ≲ 1.0. Combining our 350 μm flux measurements with the existing IRAS 60 and 100 μm data, we fit a single-temperature model to the spectral energy distribution (SED) and thereby estimate dust temperatures and far-IR luminosities. Assuming an emissivity index of β = 1.5, we find a median dust temperature and far-IR luminosity of Td = 42.8 ± 7.1 K and log(LFIR/L☉) = 12.2 ± 0.5, respectively. The far-IR-radio correlation observed in local star-forming galaxies is found to hold for ULIRGs in the redshift range 0.1 ≲ z ≲ 0.5, suggesting that the dust in these sources is predominantly heated by starbursts. We compare the far-IR luminosities and dust temperatures derived for dusty galaxy samples at low and high redshifts with our sample of ULIRGs at intermediate redshift. A general LFIR-Td relation is observed, albeit with significant scatter due to differing selection effects and variations in dust mass and grain properties. The relatively high dust temperatures observed for our sample compared to that of high-z submillimeter-selected starbursts with similar far-IR luminosities suggest that the dominant star formation in ULIRGs at moderate redshifts takes place on smaller spatial scales than is found at higher redshifts.
Regulation of Drought Tolerance by the F-Box Protein MAX2 in Arabidopsis1[C][W][OPEN]

An F-box protein regulates drought and osmotic stress responses in a strigolactone-independent manner in Arabidopsis. MAX2 (for MORE AXILLARY GROWTH2) has been shown to regulate diverse biological processes, including plant architecture, photomorphogenesis, senescence, and karrikin signaling. Although karrikin is a smoke-derived abiotic signal, a role for MAX2 in abiotic stress response pathways is least investigated. Here, we show that the max2 mutant is strongly hypersensitive to drought stress compared with wild-type Arabidopsis (Arabidopsis thaliana). Stomatal closure of max2 was less sensitive to abscisic acid (ABA) than that of the wild type. Cuticle thickness of max2 was significantly thinner than that of the wild type. Both of these phenotypes of max2 mutant plants correlate with the increased water loss and drought-sensitive phenotype. Quantitative real-time reverse transcription-polymerase chain reaction analyses showed that the expression of stress-responsive genes and ABA biosynthesis, catabolism, transport, and signaling genes was impaired in max2 compared with wild-type seedlings in response to drought stress. Double mutant analysis of max2 with the ABA-insensitive mutants abi3 and abi5 indicated that MAX2 may function upstream of these genes. The expression of ABA-regulated genes was enhanced in imbibed max2 seeds. In addition, max2 mutant seedlings were hypersensitive to ABA and osmotic stress, including NaCl, mannitol, and glucose. Interestingly, ABA, osmotic stress, and drought-sensitive phenotypes were restricted to max2, and the strigolactone biosynthetic pathway mutants max1, max3, and max4 did not display any defects in these responses. Taken together, these results uncover an important role for MAX2 in plant responses to abiotic stress conditions.
Interactive constraint-based solid modeling using allowable motion

Thw paper presents a new approach to constraint-based solid modeliing that supports the interactive construction and modification oj solid models using SD in. puI devices such as a spaceball or dataglove. The goal is to develop a more intuitive, graphically based solid rnodelling system that ezploits the advances in 9D input devices. This goal has been achieved by integrating direct 3D manipulation and procedural constraint propagation approaches. The main contribution oj the paper is a technique re~err-edto as allowable motion that enables the accurate 3D posifionirrg of a solid model by automatically constraining its 3D manipuia. tions. Assembly relationship and geometric constratnt$ bettveen entities are automatically injerredfrom the 3D rnanijr. ulotion oj the solid model and stored in a Relationship Graph (R G). The allowable motion oj the solid model i. , ! hen com pu(edjrom sta constraint Snjormatton In the R(;, . 4 prototgpe system has b~en implemented to demonstrate the feasibility oj the approach. This system is capable oj automatically injerrvng assembly operations purely from 5’D manipulations carried out by the designer. The system also supports /he 3D construction oj constraint-based soltd models tiszng a set of virtual design tools.
Motivational determinants of risk-taking behavior.

There are two problems of behavior which any theory of motivation must come to grips with. They may finally reduce to one; but it will simplify the exposition which follows to maintain the distinction in this paper. The first problem is to account for an individual's selection of one path of action among a set of possible alternatives. The second problem is to account for the amplitude or vigor of the action tendency once it is initiated, and for its tendency to persist for a time in a given direction. This paper will deal with these questions in a conceptual framework suggested by research which has used thematic apperception to assess individual differences in strength of achievement motivation (1, 14, 15). The problem of selection arises in experiments which allow the individual to choose a task among alternatives that differ in difficulty (level of aspiration). The problem of accounting for the vigor of response arises in studies which seek to relate individual differences in strength of motivation to the level of performance when response output at a particular task is the dependent variable. In treating these two problems, the discussion will be constantly focused on the relationship of achievement motivation to risk-taking behavior, an important association uncovered by McClelland (14) in the investigation of the role of achievement motivation in entre-
Social Determinants of Health in Environmental Justice Communities: Examining Cumulative Risk in Terms of Environmental Exposures and Social Determinants of Health

ABSTRACT Residents of environmental justice (EJ) communities may bear a disproportionate burden of environmental health risk, and often face additional burdens from social determinants of health. Accounting for cumulative risk should include measures of risk from both environmental sources and social determinants. This study sought to better understand cumulative health risk from both social and environmental sources in a disadvantaged community in Texas. Key outcomes were determining what data are currently available for this assessment, clarifying data needs, identifying data gaps, and considering how those gaps could be filled. Analyses suggested that the traditionally defined EJ community in Port Arthur may have a lower environmental risk from air toxics than the rest of the City of Port Arthur (although the entire city has a higher risk than the average for the state), but may have a larger burden from social determinants of health. However, the results should be interpreted in light of the availability of data, the definitions of community boundaries, and the areal unit utilized. Continued focus on environmental justice communities and the cumulative risks faced by their residents is critical to protecting these residents and, ultimately, moving toward a more equitable distribution and acceptable level of risk throughout society.
GluA1 Phosphorylation Contributes to Postsynaptic Amplification of Neuropathic Pain in the Insular Cortex

Long-term potentiation of glutamatergic transmission has been observed after physiological learning or pathological injuries in different brain regions, including the spinal cord, hippocampus, amygdala, and cortices. The insular cortex is a key cortical region that plays important roles in aversive learning and neuropathic pain. However, little is known about whether excitatory transmission in the insular cortex undergoes plastic changes after peripheral nerve injury. Here, we found that peripheral nerve ligation triggered the enhancement of AMPA receptor (AMPAR)-mediated excitatory synaptic transmission in the insular cortex. The synaptic GluA1 subunit of AMPAR, but not the GluA2/3 subunit, was increased after nerve ligation. Genetic knock-in mice lacking phosphorylation of the Ser845 site, but not that of the Ser831 site, blocked the enhancement of the synaptic GluA1 subunit, indicating that GluA1 phosphorylation at the Ser845 site by protein kinase A (PKA) was critical for this upregulation after nerve injury. Furthermore, A-kinase anchoring protein 79/150 (AKAP79/150) and PKA were translocated to the synapses after nerve injury. Genetic deletion of adenylyl cyclase subtype 1 (AC1) prevented the translocation of AKAP79/150 and PKA, as well as the upregulation of synaptic GluA1-containing AMPARs. Pharmacological inhibition of calcium-permeable AMPAR function in the insular cortex reduced behavioral sensitization caused by nerve injury. Our results suggest that the expression of AMPARs is enhanced in the insular cortex after nerve injury by a pathway involving AC1, AKAP79/150, and PKA, and such enhancement may at least in part contribute to behavioral sensitization together with other cortical regions, such as the anterior cingulate and the prefrontal cortices.