It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-403896054405.mit-edu.top/post/4521893607

  1. <!doctype html>
  2. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" prefix="og: http://ogp.me/ns#">
  3.  
  4.  <head>
  5.    <meta charset="utf-8">
  6.    <meta name="applicable-device" content="pc,mobile">
  7.    <meta name="viewport" content="width=device-width, initial-scale=1">
  8.    <title>Machine Learning for Adaptive Object Placement in AR Games #666233684819 (2025-02-06)</title>
  9.    <link rel="canonical" href="https://blog-403896054405.mit-edu.top/post/4521893607">
  10.    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap">
  11.    <link rel="stylesheet" href="https://x.mit-edu.top/static/css/style.css">
  12.    <script src="https://x.mit-edu.top/static/js/lazysizes.min.js" async></script>
  13.    <link rel="shortcut icon" href="/favicon.ico">
  14.    <!-- Open Graph Metadata -->
  15.    <meta property="og:type" content="article" />
  16.    <meta property="og:title" content="Machine Learning for Adaptive Object Placement in AR Games" />
  17.    <meta property="og:description" content="Machine Learning for Adaptive Object Placement in AR Games #666233684819 (2025-02-06)" />
  18.    <meta property="og:url" content="https://blog-403896054405.mit-edu.top/post/4521893607" />
  19.    <meta property="og:site_name" content="mit-edu.top" />
  20.    <meta property="og:image" content="https://x.mit-edu.top/static/images/post/4.jpg" />
  21.    <meta property="og:article:published_time" content="2025-02-06T13:41:44Z" />
  22.    <meta property="og:article:author" content="Dr. Mark Wright" />
  23.    <meta property="og:article:section" content="mit-edu.top" />
  24.    <meta property="og:article:tag" content="Games, Mobile Games, Video Games" />
  25.    <!-- Schema.org -->
  26.    <script type="application/ld+json">{
  27.            "@context": "https://schema.org",
  28.            "@type": "ScholarlyArticle",
  29.            "headline": "Machine Learning for Adaptive Object Placement in AR Games #666233684819 (2025-02-06)",
  30.            "author": {
  31.                "@type": "Person",
  32.                "name": "Dr. Mark Wright",
  33.                "affiliation": {
  34.                    "@type": "Organization",
  35.                    "name": "mit-edu.top"
  36.                },
  37.                "url": "https://blog-403896054405.mit-edu.top/post/4521893607"
  38.            },
  39.            "datePublished": "2025-02-06T13:41:44Z",
  40.            "image": "https://x.mit-edu.top/static/images/post/4.jpg",
  41.            "journal": {
  42.                "@type": "Periodical",
  43.                "name": "mit-edu.top",
  44.                "issn": "10.1069/666233684819"
  45.            },
  46.            "publisher": {
  47.                "@type": "Organization",
  48.                "name": "mit-edu.top",
  49.                "url": "https://blog-403896054405.mit-edu.top"
  50.            },
  51.            "doi": "666233684819",
  52.            "abstract": "Machine Learning for Adaptive Object Placement in AR Games #666233684819 (2025-02-06)",
  53.            "citation": {
  54.                "@type": "CreativeWork",
  55.                "name": "Machine Learning for Adaptive Object Placement in AR Games",
  56.                "author": "Dr. Mark Wright",
  57.                "datePublished": "2025-02-06T13:41:44Z",
  58.                "url": "https://blog-403896054405.mit-edu.top/post/4521893607"
  59.            }
  60.        }
  61.    </script>
  62. </head>
  63.  
  64. <body>
  65.    <div class="site-mobile-menu site-navbar-target">
  66.        <div class="site-mobile-menu-header">
  67.            <div class="site-mobile-menu-close">
  68.                <span class="icofont-close js-menu-toggle"></span>
  69.            </div>
  70.        </div>
  71.        <div class="site-mobile-menu-body"></div>
  72.    </div>
  73.    <nav class="site-nav">
  74.        <div class="container">
  75.            <div class="site-navigation">
  76.                <div class="row">
  77.                    <div class="col-md-6 text-center order-1 order-md-2 mb-3 mb-md-0">
  78.                        <a href="https://blog-403896054405.mit-edu.top" class="logo m-0 text-uppercase">mit-edu.top</a>
  79.                    </div>
  80.                    <div class="col-md-3 order-3 order-md-1">
  81.                    </div>
  82.                </div>
  83.            </div>
  84.        </div>
  85.    </nav>
  86.    <div class="section post-section pt-5">
  87.        <div class="container">
  88.            <div class="row justify-content-center">
  89.                <div class="col-lg-8">
  90.                    <div class="text-center">
  91.                        <img src="https://x.mit-edu.top/static/images/user/10.jpg" alt="Machine Learning for Adaptive Object Placement in AR Games" title="Machine Learning for Adaptive Object Placement in AR Games" class="author-pic img-fluid rounded-circle mx-auto">
  92.                    </div>
  93.                    <span class="d-block text-center">Mark Wright</span>
  94.                    <span class="date d-block text-center small text-uppercase text-black-50 mb-5">2025-02-06</span>
  95.                    <h2 class="heading text-center">Machine Learning for Adaptive Object Placement in AR Games</h2>
  96.                    <p class="lead mb-4 text-center">Thanks to Mark Wright for contributing the article "Machine Learning for Adaptive Object Placement in AR Games".
  97.                    </p>
  98.                    <img src="https://x.mit-edu.top/static/images/post/4.jpg" alt="Machine Learning for Adaptive Object Placement in AR Games" title="Machine Learning for Adaptive Object Placement in AR Games" class="img-fluid rounded mb-4 lazyload">
  99.                    <p>This study explores the evolution of virtual economies within mobile games, focusing on the integration of digital currency and blockchain technology. It analyzes how virtual economies are structured in mobile games, including the use of in-game currencies, tradeable assets, and microtransactions. The paper also investigates the potential of blockchain technology to provide decentralized, secure, and transparent virtual economies, examining its impact on player ownership, digital asset exchange, and the creation of new revenue models for developers and players alike.</p>
  100. <p>This paper explores the influence of cultural differences on mobile game preferences and playstyles, examining how cultural values, social norms, and gaming traditions shape player behavior and engagement. By drawing on cross-cultural psychology and international marketing research, the study compares player preferences across different regions, including East Asia, North America, and Europe. The research investigates how cultural factors influence choices in game genre, design aesthetics, social interaction, and in-game purchasing behavior. The study also discusses how game developers can design culturally sensitive games that appeal to global audiences while maintaining local relevance, offering strategies for localization and cross-cultural adaptation.</p>
  101. <p>Gaming culture has transcended borders and languages, emerging as a vibrant global community that unites people from all walks of life under the banner of shared enthusiasm for interactive digital experiences. From casual gamers to hardcore enthusiasts, gaming has become a universal language, fostering connections, friendships, and even rivalries that span continents and time zones.</p>
  102. <p>Nostalgia permeates gaming culture, evoking fond memories of classic titles that shaped childhoods and ignited lifelong passions for gaming. The resurgence of remastered versions, reboots, and sequels to beloved franchises taps into this nostalgia, offering players a chance to relive cherished moments while introducing new generations to timeless gaming classics.</p>
  103. <p>The allure of virtual worlds is undeniably powerful, drawing players into immersive realms where they can become anything from heroic warriors wielding enchanted swords to cunning strategists orchestrating grand schemes of conquest and diplomacy. These virtual realms are not just spaces for gaming but also avenues for self-expression and creativity, where players can customize their avatars, design unique outfits, and build virtual homes or kingdoms. The sense of agency and control over one's digital identity adds another layer of fascination to the gaming experience, blurring the boundaries between fantasy and reality.</p>
  104.  
  105.                    <p>
  106.                    <a href="/redirect/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">Link</a>
  107.                    </p>
  108.                    <p><a href="https://www.linegames.org/" target="_blank" class="custom-link">External link</a>
  109. <a href="https://www.iliiili.com/" target="_blank" class="custom-link">External link</a>
  110. <a href="https://www.digwow.net/" target="_blank" class="custom-link">External link</a>
  111. <a href="https://www.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  112. <a href="https://www.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  113. <a href="https://242134684115-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  114. <a href="https://695502406262-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  115. <a href="https://925350285598-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  116. <a href="https://967479048598-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  117. <a href="https://849466768304-gov.iliiili.com/" target="_blank" class="custom-link">External link</a>
  118. <a href="https://322882789527-gov.digwow.net/" target="_blank" class="custom-link">External link</a>
  119. <a href="https://421381275212-gov.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  120. <a href="https://898729262550-gov.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  121. <a href="https://838791543772-gov-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  122. <a href="https://809431610593-gov-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  123. <a href="https://410675759638-gov-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  124. <a href="https://782060251294-gov-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  125. <a href="https://366325767734-edu.iliiili.com/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  126. <a href="https://310273142358-edu.digwow.net/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  127. <a href="https://383403839471-edu.free-giftcodes.com/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  128. <a href="https://048822353380-edu.gifthub.com.ru/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  129. <a href="https://695820768018-gov.iliiili.com/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  130. <a href="https://302359464346-gov.digwow.net/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  131. <a href="https://671919078561-gov.free-giftcodes.com/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  132. <a href="https://548449380515-gov.gifthub.com.ru/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  133. <a href="https://link.naver.com/bridge?562906664765&amp;url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  134. <a href="https://link.naver.com/bridge?773620884639&amp;url=https://naver773620884639-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  135. <a href="https://link.naver.com/bridge?667619276467&amp;url=https://naver667619276467-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  136. <a href="https://link.naver.com/bridge?123500087440&amp;url=https://naver123500087440-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  137. <a href="https://link.naver.com/bridge?439892868630&amp;url=https://naver439892868630-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  138. <a href="https://link.naver.com/bridge?657204917378&amp;url=https://naver657204917378-gov.digwow.net" target="_blank" class="custom-link">External link</a>
  139. <a href="https://link.naver.com/bridge?486121264154&amp;url=https://naver486121264154-gov.iliiili.com" target="_blank" class="custom-link">External link</a>
  140. <a href="https://link.naver.com/bridge?440204369090&amp;url=https://naver440204369090-gov.1717173.xyz" target="_blank" class="custom-link">External link</a>
  141. <a href="https://link.naver.com/bridge?592229177789&amp;url=https://naver592229177789-gov.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  142. <a href="https://link.naver.com/bridge?916431876906&amp;url=https://naver916431876906-gov-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  143. <a href="https://link.naver.com/bridge?333342401624&amp;url=https://naver333342401624-gov-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  144. <a href="https://link.naver.com/bridge?541320212955&amp;url=https://naver541320212955-gov-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  145. <a href="https://link.naver.com/bridge?142743386721&amp;url=https://naver142743386721-gov-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  146. <a href="https://blog-961134698820.gifthub.news/" target="_blank" class="custom-link">External link</a>
  147. <a href="https://blog-852148652937.jp-edu.sbs/" target="_blank" class="custom-link">External link</a>
  148. <a href="https://blog-275948035158.kr-edu.sbs/" target="_blank" class="custom-link">External link</a>
  149. <a href="https://blog-617409595700.krlinkedin.sbs/" target="_blank" class="custom-link">External link</a>
  150. <a href="https://blog-566859586170.mit-edu.sbs/" target="_blank" class="custom-link">External link</a>
  151. <a href="https://blog-084599361001.mit-edu.buzz/" target="_blank" class="custom-link">External link</a>
  152. <a href="https://blog-060640697283.mit-edu.tech/" target="_blank" class="custom-link">External link</a>
  153. <a href="https://blog-131758856206.mit-edu.site/" target="_blank" class="custom-link">External link</a>
  154. <a href="https://blog-243354560624.mit-edu.top/" target="_blank" class="custom-link">External link</a>
  155. <a href="https://blog-684402726801.usa-gov.top/" target="_blank" class="custom-link">External link</a>
  156. <a href="https://research-787408122468.mit-edu.pp.ua/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  157. <a href="https://research-814876344795.harvard-edu.pp.ua/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  158. <a href="https://research-968658726576.stanford-edu.pp.ua/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  159. <a href="https://research-389635417805.cambridge-edu.pp.ua/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  160. <a href="https://research-530019515371.berkeley-edu.pp.ua/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  161. <a href="https://research-153811549412.oxford-edu.pp.ua/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  162. <a href="https://research-064744398390-edu.wwv.pp.ua/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  163. <a href="https://research-251899915396-edu.sean.pp.ua/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  164. <a href="https://research-451492708183-edu.line.pp.ua/?url=https://blog-403896054405.mit-edu.top/post/4521893607" target="_blank" class="custom-link">External link</a>
  165. </p>
  166.                    <div class="row mt-5 pt-5 border-top">
  167.                    </div>
  168.                </div>
  169.            </div>
  170.        </div>
  171.    </div>
  172.    <div class="section pb-0">
  173.        <div class="container">
  174.            <div class="row">
  175.                <div class="col-lg-12">
  176.                    <h2 class="heading">Related</h2>
  177.                </div>
  178.            </div>
  179.            <div class="row justify-content-center">
  180.                <div class="col-lg-12">
  181.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  182.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  183.                            <a href="https://blog-403896054405.mit-edu.top/post/0873264159">
  184.                            <img src="https://x.mit-edu.top/static/images/post/4.jpg" alt="Market Penetration Strategies for Mobile Games in Emerging Economies" title="Market Penetration Strategies for Mobile Games in Emerging Economies" class="img-fluid lazyload">
  185.                            </a>
  186.                        </div>
  187.                        <div class="content">
  188.                            <div class="post-meta mb-3">
  189.                                <a href="https://blog-0873264159.mit-edu.top/post/0873264159/" target="_blank">
  190.                                <span class="date">2025-02-06</span>
  191.                                </a>
  192.                            </div>
  193.                            <h2 class="heading"><a href="https://blog-403896054405.mit-edu.top/post/0873264159">Market Penetration Strategies for Mobile Games in Emerging Economies</a></h2>
  194.                            <p class="info">This research applies behavioral economics theories to the analysis of in-game purchasing behavior in mobile games, exploring how psychological factors such as loss aversion, framing effects, and the endowment effect influence players' spending decisions. The study investigates the role of game design in encouraging or discouraging spending behavior, particularly within free-to-play models that rely on microtransactions. The paper examines how developers use pricing strategies, scarcity mechanisms, and rewards to motivate players to make purchases, and how these strategies impact player satisfaction, long-term retention, and overall game profitability. The research also considers the ethical concerns associated with in-game purchases, particularly in relation to vulnerable players.</p>
  195.                            <a href="https://blog-403896054405.mit-edu.top/post/0873264159" class="post-author d-flex align-items-center">
  196.                                <div class="author-pic">
  197.                                    <img src="https://x.mit-edu.top/static/images/user/10.jpg" alt="Market Penetration Strategies for Mobile Games in Emerging Economies" title="Market Penetration Strategies for Mobile Games in Emerging Economies" class="lazyload">
  198.                                </div>
  199.                                <div class="text">
  200.                                    <strong>Brenda Watson</strong>
  201.                                    <span>2025-02-06 published post</span>
  202.                                </div>
  203.                            </a>
  204.                        </div>
  205.                    </div>
  206.                </div>
  207.                <div class="col-lg-12">
  208.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  209.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  210.                            <a href="https://blog-403896054405.mit-edu.top/post/1678902534">
  211.                            <img src="https://x.mit-edu.top/static/images/post/5.jpg" alt="Adaptive Imitation Learning for NPC Behavior Modeling in Dynamic Game Environments" title="Adaptive Imitation Learning for NPC Behavior Modeling in Dynamic Game Environments" class="img-fluid lazyload">
  212.                            </a>
  213.                        </div>
  214.                        <div class="content">
  215.                            <div class="post-meta mb-3">
  216.                                <a href="https://blog-1678902534.mit-edu.top/post/1678902534/" target="_blank">
  217.                                <span class="date">2025-02-06</span>
  218.                                </a>
  219.                            </div>
  220.                            <h2 class="heading"><a href="https://blog-403896054405.mit-edu.top/post/1678902534">Adaptive Imitation Learning for NPC Behavior Modeling in Dynamic Game Environments</a></h2>
  221.                            <p class="info">This paper analyzes the economic contributions of the mobile gaming industry to local economies, including job creation, revenue generation, and the development of related sectors such as tourism and retail. It provides case studies from various regions to illustrate these impacts.</p>
  222.                            <a href="https://blog-403896054405.mit-edu.top/post/1678902534" class="post-author d-flex align-items-center">
  223.                                <div class="author-pic">
  224.                                    <img src="https://x.mit-edu.top/static/images/user/15.jpg" alt="Adaptive Imitation Learning for NPC Behavior Modeling in Dynamic Game Environments" title="Adaptive Imitation Learning for NPC Behavior Modeling in Dynamic Game Environments" class="lazyload">
  225.                                </div>
  226.                                <div class="text">
  227.                                    <strong>Anna Ross</strong>
  228.                                    <span>2025-02-06 published post</span>
  229.                                </div>
  230.                            </a>
  231.                        </div>
  232.                    </div>
  233.                </div>
  234.                <div class="col-lg-12">
  235.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  236.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  237.                            <a href="https://blog-403896054405.mit-edu.top/post/8619450237">
  238.                            <img src="https://x.mit-edu.top/static/images/post/13.jpg" alt="The Role of Decentralized Finance in Enhancing Game Monetization Models" title="The Role of Decentralized Finance in Enhancing Game Monetization Models" class="img-fluid lazyload">
  239.                            </a>
  240.                        </div>
  241.                        <div class="content">
  242.                            <div class="post-meta mb-3">
  243.                                <a href="https://blog-8619450237.mit-edu.top/post/8619450237/" target="_blank">
  244.                                <span class="date">2025-02-06</span>
  245.                                </a>
  246.                            </div>
  247.                            <h2 class="heading"><a href="https://blog-403896054405.mit-edu.top/post/8619450237">The Role of Decentralized Finance in Enhancing Game Monetization Models</a></h2>
  248.                            <p class="info">This research investigates the role of social media integration in mobile games and its impact on player social connectivity, collaboration, and competition. The study explores how features such as social sharing, friend lists, in-game chats, and social media rewards enhance the social aspects of mobile gaming. By applying theories from social network analysis and media studies, the paper examines how these social elements influence player behavior and game dynamics, including social capital, identity construction, and community formation. The research also addresses potential risks, such as privacy concerns, cyberbullying, and the commercialization of social interactions, and suggests ways to balance social connectivity with player well-being.</p>
  249.                            <a href="https://blog-403896054405.mit-edu.top/post/8619450237" class="post-author d-flex align-items-center">
  250.                                <div class="author-pic">
  251.                                    <img src="https://x.mit-edu.top/static/images/user/11.jpg" alt="The Role of Decentralized Finance in Enhancing Game Monetization Models" title="The Role of Decentralized Finance in Enhancing Game Monetization Models" class="lazyload">
  252.                                </div>
  253.                                <div class="text">
  254.                                    <strong>Walter Hughes</strong>
  255.                                    <span>2025-02-06 published post</span>
  256.                                </div>
  257.                            </a>
  258.                        </div>
  259.                    </div>
  260.                </div>
  261.            </div>
  262.        </div>
  263.    </div>
  264.    <div class="py-5 bg-light mx-md-3 sec-subscribe">
  265.        <div class="container">
  266.            <div class="row">
  267.                <div class="col-lg-12">
  268.                    <h2 class="h4 fw-bold">Subscribe to newsletter</h2>
  269.                </div>
  270.            </div>
  271.            <form class="row">
  272.                <div class="col-md-8">
  273.                    <div class="mb-3 mb-md-0">
  274.                        <input type="email" class="form-control" placeholder="Enter your email">
  275.                    </div>
  276.                </div>
  277.                <div class="col-md-4 d-grid">
  278.                    <input type="submit" class="btn btn-primary" value="Subscribe">
  279.                </div>
  280.            </form>
  281.        </div>
  282.    </div>
  283.    <div class="site-footer">
  284.        <div class="container">
  285.            <div class="row justify-content-center copyright">
  286.                <div class="col-lg-7 text-center">
  287.                    <div class="widget">
  288.                        <p>Copyright &copy;
  289.                            <script>document.write(new Date().getFullYear());</script> All rights reserved.
  290.                        </p>
  291. <p>
  292.    < Top VPS Hosting Choice ><br>
  293.    <a href="https://evolution-host.com?ref=DQgZ6P" target="_blank">
  294.        <img src="https://x.mit-edu.top/static/images/evolution-host.png" alt="Evolution Host" title="Evolution Host" class="evhost lazyload">
  295.    </a>
  296. </p>
  297.                    </div>
  298.                </div>
  299.            </div>
  300.        </div>
  301.    </div>
  302. </body>
  303.  
  304. </html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda