75 research outputs found
Reputation based Buyer Strategies for Seller Selection in Electronic Markets
No full textReputation based adaptive buying agents that reason about sellers for purchase decisions have been designed for B2C ecommerce markets. Previous research in the area of buyer agent strategies for choosing seller agents in ecommerce markets has focused on frequent purchases. In this thesis, we present reputation based strategies for buyer agents to choose seller agents in a decentralized multi agent based ecommerce markets for frequent as well as infrequent purchases. We consider a marketplace where the behavior of seller agents and buyer agents can vary, they can enter and leave the market any time, they may be dishonest, and quality of the product can be gauged after actually receiving the product. Buyer agents exchange seller agents' information, which is based on their own experiences, with other buyer agents in the market. However, there is no guarantee that when other buyer agents provide information, they are truthful or share similar opinions. First we present a method for buyer agent to model a seller agent's reputation. The buyer agent computes a seller agent's reputation based on its ability to meet its expectations of product quality and price as compared to its competitors. We show that a buying agent acting alone, utilizing our model of maintaining seller agents' reputation and buying strategy does better than buying agents acting alone employing strategies proposed previously by other researchers for frequent as well as for infrequent purchases. Next we present two methods for buyer agents to identify other trustworthy buyer agent friends who are honest and have similar opinions regarding seller agents, based on sharing of seller agents' information with each other. In the first method, buyer agent utilizes other buyer agents' opinions and ratings of seller agents to identify trustworthy buyer agent friends. Reputation of seller agents provided by trustworthy buyer agent friends is adjusted to account for the differences in the rating systems and combined with its own information on seller agents to choose high quality, low priced seller agent. In the second method, buyer agent only utilizes other buyer agents' opinions of seller agents to identify trustworthy buyer agent friends. Ratings are assigned to seller agents by the buyer agent based on trustworthy friend buyer agents' opinions and combined with its own rating on seller agents to choose a high quality, low priced seller agent to purchase from. We conducted experiments to show that both methods are successful in distinguishing between trustworthy buyer agent friends, whose opinions should be utilized in decision making, and untrustworthy buyer agent friends who are either dishonest, or have different opinions. We also show that buyer agents using our models of identifying trustworthy buyer agent friends have higher performance than a buyer agent acting alone for infrequent purchases and for increasing numbers of sellers in the market. Finally we analyze the performances of buyer agents with risk taking and conservative attitudes. A buyer agent with risk taking attitude considers a new seller agent as reputable initially and tends to purchase from a new seller agent if they are offering the lowest price among reputable seller agents. A buyer agent with conservative attitude is cautious in its approach and explores new seller agents at a rate proportional to the ratio of unexplored seller agents to the all the seller agents who have sent bids. Our results show that, when buyer agents are making decisions based on their own information, a buyer agent with conservative attitude has the best performance. When buyer agents are utilizing information provided by their trusted friends, a buyer agent with risk taking attitude and using only trusted friend buyer agents' opinions of seller agents has the best performance. In summary, the main contributions of this dissertation are: 1.A new reputation based way to model seller agents by buyer agents based on direct interactions. 2.A protocol to exchange reputation information about seller agents with other buyer agent friends based on the friends' direct interaction with seller agents. 3.Two methods of identifying trustworthy buyer agent friends who are honest and share similar opinions, and utilizing the information provided by them to maximize a buyer agent's chances of choosing a high quality, low priced seller agent to purchase from
Isolation and Identification of Crude Triacontanol from Rice Bran Wax
No full textIn present investigation crude triacontanol was isolated and identified from rice bran wax. Triacontanol was isolated by saponification and extraction method. The obtained mixture is crude Triacontanol. It was analyzed by Gas Chromatography (GC) and melting point method. Purity of triacontanol was 13.33%. 1Department of Botany, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad (M.S.), India; 2Department of Botany, University of Pune, Pune (M.S.), India* Corresponding Author, Email: [email protected] Cite This Article As: Sandhya Jaybhay, Pankaj Chate and Avinash Ade. 2010. Isolation and Identification of Crude Triacontanol from Rice Bran Wax. J. Exp. Sci. 1(2): 26
India's National Population Policy (2000): An Evaluation
No full textprofessional paper for the fulfillment of the Masters of Public Policy degreeThis paper examines the quality of India’s family planning practice under the National Population Policy (2000) or NPP-2000. The intent of NPP-2000 is to eliminate unmet contraceptive needs by providing high quality reproductive healthcare. In particular, the NPP-2000 aims to address flaws in healthcare infrastructure and to achieve a total fertility rate of 2.1 births per woman by 2010. Unfortunately, the implementation difficulties of past years persist in the era of NPP-2000. Indian families are subject to poorly-trained healthcare personnel and insufficient medical supplies, among other setbacks. Using interviews with family planning professionals and data from quantitative
and qualitative studies, the following analysis exposes widespread variation in the quality of family planning practice. Additionally, the author proposes strategies to address unmet contraceptive needs in northern states and among disadvantaged populations.Agrawal, Sandhya. (2009). India's National Population Policy (2000): An Evaluation. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/50283
Effect of Chitosan on Okra (Abelmoschus esculentus (L.) Moench) Seed Germination
No full textPresent paper deals with the effect of chitosan at different concentration on seed germination of okra. It was revealed that chitosan at 0.03%, 0.12%,0.3% and 0.6% concentration induced seed germination in okra while at 0,03% there was maximum seed germination percentage as compare to other treatments. 1Department of Botany, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad- 431 004 (MS), India; 2Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad- 431 004 (MS), India; 3Department of Botany, University of Pune, Pune -411 007 (MS), India.* Corresponding Author, Email: [email protected] Cite This Article As: Sandhya Jaybhay, Asha Chate and Avinash B. Ade. 2010. Effect of Chitosan on Okra (Abelmoschus esculentus (L.) Moench) Seed Germination. J. Exp. Sci. 1(2): 27
Correction: Gut-associated cGMP mediates colitis and dysbiosis in a mouse model of an activating mutation in GUCY2C
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Correction|October 06 2021
Correction: Gut-associated cGMP mediates colitis and dysbiosis in a mouse model of an activating mutation in GUCY2C
Vishwas Mishra, Avipsa Bose, Shashi Kiran, Sanghita Banerjee, Idrees A. Shah, Pooja Chaukimath, Mudasir M. Reshi, Swarna Srinivas, Anaxee Barman, Sandhya S. Visweswariah
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Author and Article Information
Vishwas Mishra
Avipsa Bose
Shashi Kiran
Sanghita Banerjee
Idrees A. Shah
Pooja Chaukimath
Mudasir M. Reshi
Swarna Srinivas
Anaxee Barman
Sandhya S. Visweswariah
Online ISSN: 1540-9538
Print ISSN: 0022-1007
© 2021 Mishra et al.
This article is available under a Creative Commons License (Attribution 4.0 International, as described at https://creativecommons.org/licenses/by/4.0/).
J Exp Med (2021) 218 (11): e2021047909292021c.
https://doi.org/10.1084/jem.2021047909292021c
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Corrected article Gut-associated cGMP mediates colitis and dysbiosis in a mouse model of an activating mutation in GUCY2C
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Vol. 218, No. 11 | 10.1084/jem.20210479 | September 21, 2021
The authors regret that the legends to Fig. 3 (C, D, and I) and Fig. 4 (B, C, and E) did not originally specify that the values shown are adjusted P values. In addition, the colors used in the bar graph in Fig. 4 B were not correct nor defined. The corrected legends, with new text underlined, and corrected Fig. 4 are shown here.
The errors appear only in PDFs downloaded before September 27, 2021
Atmospheric neutrinos: Status and prospects
No full textAbstractWe present an overview of the current status of neutrino oscillation studies at atmospheric neutrino experiments. While the current data gives some tantalising hints regarding the neutrino mass hierarchy, octant of θ23 and δCP, the hints are not statistically significant. We summarise the sensitivity to these sub-dominant three-generation effects from the next-generation proposed atmospheric neutrino experiments. We next present the prospects of new physics searches such as non-standard interactions, sterile neutrinos and CPT violation studies at these experiments
How it feels: The value and application of physical sensation in XR: Explore Somatosensory experience’s possibility in future XR trends
No full textThis research advocates for exploring the somatosensory system and its incorporation within XR systems, particularly in spatial recognition. This paradigm shift could introduce novel methodologies in XR design that perceive the body as a recipient of sensory stimuli and as an active participant in sensory perception. This could redefine our understanding of somatosensory in XR and contribute to a more holistic approach to multisensory design. Additionally, this study aims to examine the deployment of XR in the evaluation of aircraft interior design. The successful integration of XR technologies could potentially revolutionize the design process by presenting a more immersive and authentic user testing environment. In light of the present deficiency in precise spatial recognition within XR applications, this research could offer fresh insights into optimizing XR use in design, thereby improving spatial perception accuracy and enhancing ergonomics and user experience in real-world applications, such as aircraft interior design.Integrated Product Desig
Effect of precursors on the synthesis of copper sulfide nanostructures using refluxing method
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