LLukas22/scidocs huggingface dataset:
Simple Folded Monopole Slot Antenna for Penta-Band Clamshell Mobile Phone Application

An internal clamshell mobile phone antenna using a simple dual-band folded monopole slot for covering penta bands of WWAN operation is presented. The folded monopole slot has a length of about 60 mm only and is easily printed on the top portion (10 times 40 mm2) of the main circuit board and suitable to be placed at the hinge of the clamshell mobile phone. By further placing the connecting strip between the two ground planes to be in the vicinity of the open end of the monopole slot, the two (main and upper) ground planes of the clamshell mobile phone can also be excited to be efficient radiators (dipole-like chassis or groundplane modes excited through the strong electric field occurred at the slot's open end). By incorporating the resonant modes contributed from both the monopole slot and the two ground planes, two wide bands at about 900 and 1900 MHz are formed, which easily cover GSM850/900/1800/1900/UMTS operation. Owing to the additional resonant modes contributed by the two ground planes, the use of a simple folded monopole slot is sufficient to cover penta-band WWAN operation. This leads to compact size for the proposed clamshell mobile phone antenna. Details of the proposed antenna, including its SAR results, are presented.
A Comparative Study of Selected Classifiers with Classification Accuracy in User Profiling

In recent years the use of personalized service provisioning applications has been very popular. However, effective personalization cannot be achieved without accurate user profiles. In literature a number of classification algorithms have been used to classify user related information to create accurate user profiles. Nevertheless, there is lack of comparison of these algorithms with classification accuracy of the user profile information. In our previous work [1], we compared four different classification algorithms which are; Naïve Bayesian (NB), Instance-Based Learner (IB1), Bayesian networks (BN) and Lazy Learning of Bayesian Rules (LBR) classifiers. According to our results NB and IB1 classifiers outperformed the BN and LBR classifiers with respect to classification accuracy. In this study we compare the performance of NB, IB1, Classification and Regression Tree (SimpleCART), Naïve Bayesian Tree (NBTree), Iterative Dichotomister Tree (Id3), J48 -a version of C4.5- and Sequential Minimal Optimization (SMO) algorithms with large user profile data. This study is aimed to find the best classification algorithm for user profiling process.Our simulation results show that, in general, the NBTree has the highest classification accuracy performance with the lowest error rate. On the other hand, we also found that the NBTree has one of the highest time requirements to build the classification model. Therefore, NBTree classification algorithm should be favoured over SMO, NB, IB1, J48, SimpleCART and Id3 classifiers in the personalization applications especially when the classification accuracy performance is important.
Structure of the Attractor of the Cahn-hilliard equation on a Square

We describe the fine structure of the global attractor of the Cahn–Hilliard equation on twodimensional square domains. This is accomplished by combining recent numerical results on the set of equilibrium solutions due to [Maier-Paape & Miller, 2002] with algebraic Conley index techniques. Using the information on the set of equilibria as assumption, we build Morse decompositions and connection matrices. The latter imply existence of heteroclinic connections between the equilibria inside the attractor. While path-following of the parameter range of Cahn–Hilliard, we find more and more complicated dynamical behavior. One of our main results describes the fine structure of the attractor for mean mass zero with four stable cosine structured equilibria and eight other stable equilibria that have a quarter circle nodal line. Besides that, we also study the attractor in symmetry fixed point spaces where we, for example, find nonunique connection matrices and saddle–saddle connections of Morse sets.
Experience of application of network technologies in engineering education

Leading technical universities of Russia and Kazakhstan, preparing engineers in the field of mechatronics, robotics and automation, combined their intellectual and material resources within the International University network project "Synergy". For practical training, FESTO equipment and its virtual counterparts are used primarily. Training of university students participating in the project has been organized, with lectures by leading professors on the Internet. Scientific Internet conferences of young scientists are regularly held. International Association DAAAM International regularly organizes international student practices. A doctoral school is being conducted, at the DAAAM annual symposium, the development of project participants is presented.
From Marx to market and back again: Performing the economy

Abstract This article argues for a more constructive dialogue between political–economic and other heterodox economic approaches to capitalist markets. Arguing that political economists’ suspicion of “techno-cultural” approaches is overstated, and drawing closely on the work of David Harvey, the article explores the potential for one particular such approach – that which emphasizes the “performativity” of markets – to contribute towards one particular variant of political economy: the classical political economy of Marx.
Contributions Effects of Raloxifene on Serum Lipids and Coagulation Factors in Healthy Postmenopausal Women

Context.— Raloxifene is a selective estrogen receptor modulator that has estrogen-agonistic effects on bone and estrogen-antagonistic effects on breast and uterus. Objective.— To identify the effects of raloxifene on markers of cardiovascular risk in postmenopausal women, and to compare them with those induced by hormone replacement therapy (HRT). Design.— Double-blind, randomized, parallel trial. Setting.— Eight sites in the United States. Participants.— 390 healthy postmenopausal women recruited by advertisement. Intervention.— Participants were randomized to receive 1 of 4 treatments: raloxifene, 60 mg/d; raloxifene, 120 mg/d; HRT (conjugated equine estrogen, 0.625 mg/d, and medroxyprogesterone acetate, 2.5 mg/d); or placebo. Main Outcome Measures.— Change and percent change from baseline of lipid levels and coagulation parameters after 3 months and 6 months of treatment. Results.— At the last visit completed, compared with placebo, both dosages of raloxifene significantly lowered low-density lipoprotein cholesterol (LDL-C) by 12% (P , .001), similar to the 14% reduction with HRT (P , .001). Both dosages of raloxifene significantly lowered lipoprotein(a) by 7% to 8% (P , .001), less than the 19% decrease with HRT (P , .001). Raloxifene increased high-density lipoprotein-2 cholesterol (HDL2-C) by 15% to 17% (P , .05), less than the 33% increase with HRT (P , .001). Raloxifene did not significantly change high-density lipoprotein cholesterol (HDL-C), triglycerides, or plasminogen activator inhibitor-1 (PAI-1); whereas HRT increased HDL-C by 11% and triglycerides by 20%, and decreased PAI-1 by 29% (for all, P , .001). Raloxifene significantly lowered fibrinogen by 12% to 14% (P , .001), unlike HRT, which had no effect. Neither treatment changed fibrinopeptide A or prothrombin fragment 1 and 2. Conclusions.— Raloxifene favorably alters biochemical markers of cardiovascular risk by decreasing LDL-C, fibrinogen, and lipoprotein(a), and by increasing HDL2-C without raising triglycerides. In contrast to HRT, raloxifene had no effect on HDL-C and PAI-1, and a lesser effect on HDL2-C and lipoprotein(a). Further clinical trials are necessary to determine whether these favorable biochemical effects are associated with protection against cardiovascular disease. JAMA. 1998;279:1445-1451
On the huge benefit of decisive moves in Monte-Carlo Tree Search algorithms

Monte-Carlo Tree Search (MCTS) algorithms, including upper confidence Bounds (UCT), have very good results in the most difficult board games, in particular the game of Go. More recently these methods have been successfully introduce in the games of Hex and Havannah. In this paper we will define decisive and anti-decisive moves and show their low computational overhead and high efficiency in MCTS.
Radial artery occlusion and hand strength after percutaneous coronary procedures: Results of the HANGAR study.

OBJECTIVES
The aim of this prospective study was to evaluate muscle force of the hand, thumb, and forefinger in patients with prolonged radial occlusion after transradial percutaneous coronary procedures.


BACKGROUND
There are no data on hand strength and function in patients with prolonged radial occlusion after percutaneous coronary procedures.


METHODS
Elective patients with chronic stable angina undergoing percutaneous coronary procedures were evaluated the day before the procedure for radial artery patency, Allen test, hand grip, and thumb and forefinger pinch tests. The same measures were performed the day after the procedure and at follow-up. At follow-up, patients were divided in two groups according to the radial patency (group 1) or occlusion (group 2).


RESULTS
Of the 99 patients included in the study, 90 patients had a patent radial artery (group 1), and nine (9.1%) patients had an occluded artery (group 2). At baseline, there were no significant differences in hand grip test between the two groups (42 ± 11 kg in group 1 and 41 ± 17 kg in group 2, P = 0.74). In both groups, after the procedure, the hand grip test values was significantly reduced compared with baseline values (40 ± 11 kg in group 1, P < 0.0001 and 37 ± 17 kg in group 2, P = 0.007). Finally, at follow-up, in both groups, the hand grip test values returned to baseline values. Thumb and forefinger pinch tests did not show significant differences after the procedure and at follow-up, compared with baseline.


CONCLUSIONS
Radial artery occlusion after percutaneous coronary procedures was not associated with a reduction in hand and finger strength.
Fasting Blood Glucose and Depressive Mood among Patients with Mental Illness in a Medicaid Managed Care Program

Objective. This study explores the relationship between depressive symptoms, as measured by the PHQ-9 depression screen and blood glucose levels among patients with diabetes enrolled in Gold Choice, a Medicaid managed care program for individuals with mental illness and/or substance abuse. Methods. The PHQ-9 was mailed to 454 Gold Choice members and a questionnaire was mailed to their physicians requesting current HbA1c% and fasting blood glucose (FBG) levels. The pearson product-moment correlation was used to describe the association between PHQ-9 scores and FBG levels. Results. The PHQ-9 response rate was 55% (N = 249). Laboratory results were received for 141 patients. The correlation between FBG and PHQ-9 scores was modest but statistically significant: r = 0.21 , P = 0.015. Conclusion. A statistically significant association was found between FBG and PHQ-9 depression scores. This finding supports current recommendations that physicians be alert to depressive symptoms among patients with diabetes or impaired glucose metabolism.
The political economy of nature : environmental debates and the social sciences

Dedication Acknowledgements PART I: ECHOES Infused Opinions Scapes, Scops and Sciences PART II: DIFFERENCES Biosphere Grammar Ecological Representations Duty Rosters Minute Circumstances Brief Authority PART III: WEFTS From City-State to City-Planet Silent String References Bibliography Index
Condylomata gigantea in anal and perianal region: surgical and CO2 laser treatment

 Case report.. We present a case of 28-year-old female patient with condylomata gigantea (Buschke-Lowenstein tumor) in anal and perianal region with propagation on vulva and vagina. The local surgical excision and CO2 laser treatment were performed. Histological examination showed presence of HPV type 11 without malignant potential. Result.. Three months later, there was no recurrence.
Parents' responses to stress in the neonatal intensive care unit.

Background Parents' stress resulting from hospitalization of their infant in the neonatal intensive care unit (NICU) produces emotional and behavioral responses. The National Institutes of Health-sponsored Patient Reported Outcomes Measurement Information System (PROMIS) offers a valid and efficient means of assessing parents' responses. Objective To examine the relationship of stress to anxiety, depression, fatigue, and sleep disruption among parents of infants hospitalized in the NICU. Methods Thirty parents completed the Parental Stressor Scale (PSS:NICU) containing subscales for NICU Sights and Sounds, Infant Behavior and Appearance, and Parental Role Alteration, and the PROMIS anxiety, depression, fatigue, and sleep disturbance short-form instruments. Results PSS total score was significantly correlated with anxiety (r = 0.61), depression (r = 0.36), and sleep disturbance (r = 0.60). Scores for NICU Sights and Sounds were not significantly correlated with parents' outcomes; however, scores for Alteration in Parenting Role were correlated with all 4 outcomes, and scores for Infant Appearance were correlated with all except fatigue. Conclusion Stress experienced by parents of NICU infants is associated with a concerning constellation of physical and emotional outcomes comprising anxiety, depression, fatigue, and sleep disruption.
Multiple-route ad hoc on-demand distance vector (MRAODV) routing protocol

Summary form only given. Several routing protocols, e.g. DSR(dynamic source routing protocol) and AODV(ad-hoc ondemand distance vector routing protocol), have been proposed for routing data packets in ad hoc networks. These are ondemand routing protocols. Only when a node requires to transmit data packets, it searches a route to a destination node. In addition, these are single-path protocols which detect only one route. However, in an ad hoc network, due to mobility of nodes and instability of communication links, multiple-route protocols are required. Here, we propose a novel multiple-route protocol MRAODV(multiple-route ondemand distance vector routing protocol) where separated reverse path fragments are connected to achieve additional routes. According to simulation results, more additional routes are detected in our protocol than MNH protocol.
Building a Book Recommender system using time based content filtering

Recommender System are new generation internet tool that help user in navigating through information on the internet and receive information related to their preferences. Although most of the time recommender systems are applied in the area of online shopping and entertainment domains like movie and music, yet their applicability is being researched upon in other area as well. This paper presents an overview of the Recommender Systems which are currently working in the domain of online book shopping. This paper also proposes a new book recommender system that combines user choices with not only similar users but other users as well to give diverse recommendation that change over time. The overall architecture of the proposed system is presented and its implementation with a prototype design is described. Lastly, the paper presents empirical evaluation of the system based on a survey reflecting the impact of such diverse recommendations on the user choices. Key-Words: Recommender system; Collaborative filtering; Content filtering; Data mining; Time; Book
Evaluating the Net Effects of Ecotourism on the Environment: A Framework, First Assessment and Future Research

This review examines what outcomes ecotourism has achieved in regard to environmental issues. It proposes an analytic framework distinguishing four types of mechanism: those which can generate positive effects; those which can reduce negative effects; those which can increase negative effects; and contested issues, including scale and mainstreaming. It then discusses the barriers to evaluating ecotourism’s environmental record. These include: problems of definition; the use of eco-labels; and the range of inclusion within any analysis. Finally, it outlines a series of future research priorities including: product and enterprise analysis; the value and importance of codes, interpretation and marketing, the potential significance of new community and political mechanisms; and post-trip lifestyle change.
Statistical Modelling and Characterization of Experimental mm-Wave Indoor Channels for Future 5G Wireless Communication Networks

This paper presents an experimental characterization of millimeter-wave (mm-wave) channels in the 6.5 GHz, 10.5 GHz, 15 GHz, 19 GHz, 28 GHz and 38 GHz frequency bands in an indoor corridor environment. More than 4,000 power delay profiles were measured across the bands using an omnidirectional transmitter antenna and a highly directional horn receiver antenna for both co- and cross-polarized antenna configurations. This paper develops a new path-loss model to account for the frequency attenuation with distance, which we term the frequency attenuation (FA) path-loss model and introduce a frequency-dependent attenuation factor. The large-scale path loss was characterized based on both new and well-known path-loss models. A general and less complex method is also proposed to estimate the cross-polarization discrimination (XPD) factor of close-in reference distance with the XPD (CIX) and ABG with the XPD (ABGX) path-loss models to avoid the computational complexity of minimum mean square error (MMSE) approach. Moreover, small-scale parameters such as root mean square (RMS) delay spread, mean excess (MN-EX) delay, dispersion factors and maximum excess (MAX-EX) delay parameters were used to characterize the multipath channel dispersion. Multiple statistical distributions for RMS delay spread were also investigated. The results show that our proposed models are simpler and more physically-based than other well-known models. The path-loss exponents for all studied models are smaller than that of the free-space model by values in the range of 0.1 to 1.4 for all measured frequencies. The RMS delay spread values varied between 0.2 ns and 13.8 ns, and the dispersion factor values were less than 1 for all measured frequencies. The exponential and Weibull probability distribution models best fit the RMS delay spread empirical distribution for all of the measured frequencies in all scenarios.
Interactive stylized silhouette for point-sampled geometry

Silhouette is a drawing feature that is popular in illustrations and line-drawing artworks and is an important focus of research in the field of Non-Photorealistic Rendering (NPR). Current work on silhouette extraction and rendering tends to assume a polygonal mesh input, where connectivity information is available and the formation of silhouettes involves tracking of edges. On the other hand, the availability of 3D scanning devices nowadays leads to the proliferation of dense point data set for which no connectivity information is initially available. We present in this paper a hybrid image/object-space method to directly detect and render stylized silhouettes for such data set. Our method is simple to implement and runs at an interactive frame rate. Its basic form involves rendering silhouette points, each with a unique color value, to a color buffer. We show how lines can then be quickly fitted to the points projected. We further show how stylized silhouette can be used effectively with two other NPR techniques that happen to work very naturally with point-sampled geometry: stippling, and direct drawing onto surfaces.
Heartwood, its function and formation

Some of the changes which occur in wood during the transition from sapwood to heartwood have been reviewed. The nature of these changes suggest that heartwood formation is a regulatory process serving to keep the amount of sapwood at an optimum level. The pattern formed by the transition of cells from sapwood to heartwood suggests that heartwood development is controlled by a centripetally-translocated growth-active substance. The nature of the heartwood transformation is indicative of a developmental process rather than a deterioration of cell function with age so that death of the parenchyma cells is the result and not the cause of heartwood formation.
Biomechanical comparison of syndesmotic injury fixation methods using a cadaveric model.

BACKGROUND
There is growing interest in suture-button devices for syndesmosis injury, which are intended to offer less rigid fixation than screw fixation.


METHODS
The fixation strength with 2 different suture-button devices, ZipTight and TightRope, were compared using 5 cadaveric leg pairs (n = 10). In an additional 5 pairs (n = 10), ZipTight was compared to 3.5 mm quadricortical screw fixation. Ankle motion was measured intact, then following simulated syndesmosis injury and fixation. Cyclic loads (peak 750 N, 7.5 Nm) were applied. Finally, external rotation to failure was measured and failure mode was documented.


RESULTS
Range of motion increased after simulated injury and fixation with all devices (max 14.5 degrees). In all groups, diastasis remained below 1.0 mm intact and below 2.0 mm during cyclic loading. Compared to intact, under load to failure, diastasis with ZipTight devices increased by 4.7 ± 1.3 mm and 7.6 ± 4.3 mm, with TightRope, 6.3 mm, and screw construct, 1.3 mm. ZipTight specimens rotated approximately 80 ± 22 degrees before failure, TightRope, 67 ± 13 degrees, screw constructs, 76 ± 27 degrees. Mean failure torque was between 22.2 ± 6.9 Nm and 28.1 ± 12.7 Nm for ZipTight, compared to 32.9 ± 8.0 Nm for TightRope (P = .07), and 30.1 ± 9.6 Nm for screw constructs (P = .03). The majority of suture-button constructs failed by fibular fracture (ZipTight = 6, TightRope = 4), the remaining by device pull-through (ZipTight = 3, TightRope = 1) and loosening (ZipTight = 1). Conversely, 3 of screw-fixed specimens failed by device failure, 2 from bone fracture.


CONCLUSION
Suture-button devices provided torsional strength below that of screw fixation. However, all devices may provide failure torques well above 20 Nm, exceeding likely torques applied in casts during healing.(1,2,4) CLINICAL RELEVANCE: Suture-button devices appear to have provided adequate fixation strength for syndesmosis injuries.