368 research outputs found
TOO TIRED TO CARE: RELIGIOUS ORIENTATIONSâ RELATIONSHIP WITH EGO-DEPLETED EMPATHY
Psychological research into various aspects of religiosity, empathy, and self-regulation has grown throughout the years. Using Wulffâs (1997) literal verses symbolic bipolar dimension of religiosity, Duriez (2004) found that participants who identified as tending to possess symbolic beliefs regarding religious symbols reported the ability to emphasize with others more than those adhering to increasingly literal interpretations of religious themes. Watterson and Giesler (2012) found that individuals who tended to have higher levels of religiosity appeared to engage longer in a self-regulatory task than those who showed lower levels of religiosity. Researchers interested in self-regulation have found individuals who had undergone an ego-depletion task were increasingly inhibited in their ability to emphasize with other individuals (DeWall, Baumeister, Gailliot, & Maner, 2008). In light of previous research, the current study sought to understand the underpinnings between the literal verses symbolic dimension of religiosity in the context of self-regulation and empathy, though all analyses were non-significant
Equation-Based Congestion Control for Unicast Applications: the Extended Version
This paper proposes a mechanism for equation-based congestion control for unicast traffic. Most best-effort traffic in the current Internet is well-served by the dominant transport protocol TCP. However, traffic such as best-effort unicast streaming multimedia could find use for a TCP-friendly congestion control mechanism that refrains from reducing the sending rate in half in response to a single packet drop. With our mechanism, the sender explicitly adjusts its sending rate as a function of the measured rate of loss events, where a loss event consists of one or more packets dropped within a single round-trip time. We use both simulations and experiments over the Internet to explore performance. Equation-based congestion control is also a promising avenue of development for congestion control of multicast traffic, and so an additional reason for this work is to lay a sound basis for the later development of multicast congestion control
DataHub: Science data management in support of interactive exploratory analysis
The DataHub addresses four areas of significant needs: scientific visualization and analysis; science data management; interactions in a distributed, heterogeneous environment; and knowledge-based assistance for these functions. The fundamental innovation embedded within the DataHub is the integration of three technologies, viz. knowledge-based expert systems, science visualization, and science data management. This integration is based on a concept called the DataHub. With the DataHub concept, science investigators are able to apply a more complete solution to all nodes of a distributed system. Both computational nodes and interactives nodes are able to effectively and efficiently use the data services (access, retrieval, update, etc), in a distributed, interdisciplinary information system in a uniform and standard way. This allows the science investigators to concentrate on their scientific endeavors, rather than to involve themselves in the intricate technical details of the systems and tools required to accomplish their work. Thus, science investigators need not be programmers. The emphasis on the definition and prototyping of system elements with sufficient detail to enable data analysis and interpretation leading to information. The DataHub includes all the required end-to-end components and interfaces to demonstrate the complete concept
Performance of Small-Fruited Pumpkin Cultivars in Maine
A small-fruited (2-4 lb) or âpieâ type pumpkin variety trial was established in the spring of 2009 at Highmoor Farm in Monmouth, ME. Three replications of seven varieties were direct-seeded on 18 June through black plastic mulch. Plots were 18 feet long with three feet between plants and six feet between rows. All fertilizer was applied according to soil test recommendations and incorporated prior to mulch application and seeding. Fruit were harvested on 18 September. Top performing varieties in terms of yield per plot included âChuckyâ, âSmall Sugarâ, and âField Tripâ. âFall Splendorâ produced the largest fruit in the trial, followed by âWinter Luxuryâ and âMystic Plusâ. âField Tripâ and âFall Splendorâ had the highest stem quality in the trial and âField Tripâ, âMystic Plusâ and âFall Splendorâ were rated highest for exterior color and ribbing. The results of this trial suggest that âField Tripâ, âMystic Plusâ and âFall Splendorâ offer very high quality fruit with acceptable yields for pie-type pumpkins, while âChuckyâ offers acceptable fruit quality and very high yields.https://digitalcommons.library.umaine.edu/extension_ag/1000/thumbnail.jp
Opportunistic mobility with multipath TCP
Proceedings of: ACM MobiArch 2011, The 6th ACM International Workshop on Mobility in the Evolving Internet Architecture, June 28, 2011, Washington, D.C.Host mobility has traditionally been solved at the network layer, but even though Mobile IP has been standardised for 15 years, it hasnât been supported by operators. IPâs double role as a location identif er and communication endpoint identif er brings a number of functional and performance problems. We argue that the best place to handle mobility is at the transport layer. While this is not a new argument, we believe that the emerging standard of Multipath TCP (MPTCP) can be used to solve many issues related to mobility. MPTCP naturally implements make-before-break, can be incrementally deployed, is backwards compatible with standard TCP, and could even ease incremental adoption of IPv6. Using simulations and indoor experiments with WiFi and 3G, we show that MPTCP gives better throughput, achieves smoother handoffs, and can be tuned to lower energy consumption.This research was supported by Trilogy (http://www.trilogy-project.org), a research project (ICT-216372) partially funded by the European Community under its Seventh Framework Programme. European Community's Seventh Framework ProgramThis work was partly funded by POSDRU/89/1.5/S/62557Publicad
Flowstream Architectures
The Internet has seen a proliferation of specialized middlebox devices
that carry out crucial network functionality such as load balancing, packet inspection or intrusion detection, amongst others. Traditionally, high performance network
devices have been built on custom multi-core, specialized memory hierarchies, architectures which are well suited to packet processing. Recently, commodity PC
hardware has experienced a move to multiple multi-core chips, as well as the routine inclusion of multiple memory hierarchies in the so-called NUMA architectures.
While a PC architecture is obviously not speciïŹcally targeted to network applications, it nevertheless provides high performance cheaply. Furthermore, a few commodity switch technologies have recently emerged offering the possibility to control
the switching of ïŹows in a rather ïŹne grained manner. Put together, these new technologies offer a new network commodity platform enabling new ïŹow processing
and forwarding at an unprecedented ïŹexibility and low cost
Fluid Phase Separation (FPS) experiment for flight on a space shuttle Get Away Special (GAS) canister
The separation of fluid phases in microgravity environments is of importance to environmental control and life support systems (ECLSS) and materials processing in space. A successful fluid phase separation experiment will demonstrate a proof of concept for the separation technique and add to the knowledge base of material behavior. The phase separation experiment will contain a premixed fluid which will be exposed to a microgravity environment. After the phase separation of the compound has occurred, small samples of each of the species will be taken for analysis on the Earth. By correlating the time of separation and the temperature history of the fluid, it will be possible to characterize the process. The experiment has been integrated into space available on a manifested Get Away Special (GAS) experiment, CONCAP 2, part of the Consortium for Materials Complex Autonomous Payload (CAP) Program, scheduled for STS-42. The design and the production of a fluid phase separation experiment for rapid implementation at low cost is presented
Dependence of Ice-Core Relative Trace-Element Concentration on Acidification
To assess the role of methodological differences on measured trace-element concentrations in ice cores, we developed an experiment to test the effects of acidification strength and time on dust dissolution using snow samples collected in West Antarctica and Alaska. We leached Antarctic samples for 3 months at room temperature using nitric acid at concentrations of 0.1, 1.0 and 10.0% (v/v). At selected intervals (20 min, 24 hours, 5 days, 14 days, 28 days, 56 days, 91 days) we analyzed 23 trace elements using inductively coupled plasma mass spectrometry. Concentrations of lithogenic elements scaled with acid strength and increased by 100â1380% in 3 months. Incongruent elemental dissolution caused significant variability in calculated crustal enrichment factors through time (factor of 1.3 (Pb) to 8.0 (Cs)). Using snow samples collected in Alaska and acidified at 1% (v/v) for 383 days, we found that the increase in lithogenic element concentration with time depends strongly on initial concentration, and varies by element (e.g. Fe linear regression slope =1.66; r = 0.98). Our results demonstrate that relative trace-element concentrations measured in ice cores depend on the acidification method used
Growth velocity in children with environmental enteric dysfunction is associated with specific bacterial and viral taxa of the gastrointestinal tract in Malawian children
Environmental enteric dysfunction (EED) is characterized by diffuse villous atrophy of the small bowel. EED is strongly associated with stunting, a major public health problem linked to increased childhood morbidity and mortality. EED and subsequent stunting of linear growth are surmised to have microbial origins. To interrogate this relationship, we defined the comprehensive virome (eukaryotic virus and bacteriophage) and bacterial microbiome of a longitudinal cohort of rural Malawian children with extensive metadata and intestinal permeability testing at each time point. We found thirty bacterial taxa differentially associated with linear growth. We detected many eukaryotic viruses. Neither the total number of eukaryotic families nor a specific viral family was statistically associated with improved linear growth. We identified 3 differentially abundant bacteriophage among growth velocities. Interestingly, there was a positive correlation between bacteria and bacteriophage richness in children with subsequent adequate/moderate growth which children with subsequent poor growth lacked. This suggests that a disruption in the equilibrium between bacteria and bacteriophage communities might be associated with subsequent poor growth. Future studies of EED and stunting should include the evaluation of viral communities in addition to bacterial microbiota to understand the complete microbial ecology of these poorly understood entities
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