Blog Posts by Guest Post

  • Quick Tutorial: YQL + Pipes Working Together

    Editor's note: This Guest Post blog post comes from Darren Levy, who's earning a Masters in Computer Science at New York University. This past December, he received an honorable mention for his YQL + Kynetx app, FaceTheMusic, and always enjoys learning about cool new web technologies.

    If a friend sent you to this blog post, then he or she wants to show you how easy it is to start programming. Yahoo! provides lots of products that offer almost instant gratification and require no prior programming experience. Just a little time here will give you a whole new set of tools at your disposal.

    In this tutorial, we will go over how to combine Yahoo! Pipes and Yahoo! Query Language (YQL).

    If you go to the YQL console, click “Show Community Tables” and scroll through, you can instantly see all the information YQL can access. A good way to learn how to write YQL statements is to click on the "Example Queries" right above the data tables.

    Let’s say we wanted to use the data table to

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  • YDN and TipTheWeb at PayPal X Innovate

    Editor's Note: We interviewed Boston-based TipTheWeb founders Dave Fogel and Eric Ferraiuolo by email for this Guest Post post.

    The PayPal X Developer Conference, Innovate 2010, runs tomorrow and Wednesday in San Francisco at Moscone West, and YDN will be there. Stop by and visit us on the show floor — we've got booth #G7. Don't miss technology evangelist, Jon LeBlanc, who'll be speaking on Wednesday at 1:00 pm in Room 2020 about enhancing payment tools and services with YQL.

    We're also excited to introduce Eric Ferraiuolo and Dave Fogel, creators of TipTheWeb, PayPal X Developer Challenge Yahoo! Award finalist. Dave and Eric will have a demo station at Innovate to show off their app. In the meantime, here's an introduction to TipTheWeb and the work they've done with YQL and YUI. We won't meet in person till tomorrow, so for now, we're sharing the conversation via email.
    Dave Folgel and Eric Ferraiuolo, TipTheWeb founderstipthewebfounders

    So, what is TipTheWeb?

    DF (Dave Fogel): TipTheWeb is a service that lets you directly support your favorite web

    Read More »from YDN and TipTheWeb at PayPal X Innovate
  • Cloudstock: The Woodstock for Cloud Developers

    The Cloudstock organizers would like to cordially invite you to join us and 3,000 other developers at an upcoming, free, industry developer conference, on December 6 in San Francisco, CA.

    Cloudstock event logo showing 60's sunglasses with clouds and tech infocloudstock-fullWe call it “The Woodstock for Cloud Developers” as its purpose is to bring together leading cloud technology companies and their developer communities in an open and friendly forum.

    There will be over 40 technical sessions with topics that range from visionary to just-plain geeky. A key element of the event will be the Cloudstock Hackathon, where developers will try to out-wit each other building cloud apps. It would be fantastic to see cool hacks utilizing Yahoo’s services given Yahoo’s expansive set of developer APIs.

    Registration is completely free. Hop on over to register and we’ll see you there!

    Nick Tran, Director of Developer Programs,

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  • Pickemfirst, a fantasy-sports assistant

    We first came across Pickemfirst on our Fantasy Sports API Forum invitation to developers to show us their apps. This is a Guest Post post by Alain de Raynal, one of Pickemfirst's founders and developers, with assistance from Yohann Richard, the other founder/developer. If you're not sure what fantasy sports is, read this fantasy-sports Wikipedia article first. 

    Let's start with some facts: More than 20 million people play fantasy sports in the United States. American football is by far the most popular fantasy sport. Yahoo! Sports is the #1 fantasy sports site. And Pickemfirst is your Fantasy Sports API assistant on steroids.

    Pickemfirst screen

    The idea

    I started playing fantasy football and fantasy baseball in 2005. After a few years, I realized that the people who win at fantasy sports are usually the ones who pick the best free agents during the season.

    There are thousands of websites that offer fantasy-sports advice, but none of them is able to tell you which player is a free agent in your own

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  • PayPal X Developer Challenge deadline fast approaching

    This is a Guest Post post from Naveed Anwar, Senior Director of Developer Network, PayPal.

    Hi everyone,

    Hope you had a good summer and are settling back into your fall routine. Naveed Anwar here, Sr. Director of the PayPal Developer Network, and I’d like to remind you that the deadline for the PayPal X Developer Challenge is quickly approaching.

    Submit your applications for a chance to win up to $160,000. The date to submit your application for approval is September 1st. You can complete the remaining submission details by the contest deadline of September 22nd.

    The PayPal X Developer Challenge promotes and rewards innovative apps that will not only win the contest, but could also go on to become successful businesses. So build the apps you have been dreaming about and enter the challenge today!

    We are looking for the most innovative use of PayPal's products in any way you can dream up, not strictly payments. What could win you the Grand Prize of $100,000? Well, your app needs to be

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  • SodaHead integrates Yahoo! logins

    SodaHead is a leading opinions-based online community focused on the day's hottest entertainment, politics, and news discussion topics, exceeding over 6.8 million monthly unique users. As of this week, SodaHead enables users to register or login with their Yahoo! account(s). Here's how it works, according to this Guest Post blog post by SodaHead's Michael Rosen, SodaHead product manager, and
    Michael Kalas, SodaHead senior software engineer and lead third-party API developer.

    Yahoo! registration lets users connect with their Yahoo! contacts on SodaHead, and include them in their social polls. SodaHead then uses Yahoo! Updates to push content to the user's stream when he or she uses the site.

    Sodahead has integrated the Yahoo! Login button (alongside Facebook and Twitter) throughout the site, as well as within its registration/login modal process.

    During registration, SodaHead gives users the opportunity either to merge their existing SodaHead accounts after Yahoo! authentication, or to

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  • Widgetbox, YQL, and Pipes

    The tools we offer at Widgetbox allow publishers and casual developers to quickly turn structured data like RSS or ATOM feeds into Web widgets and mobile sites. However, despite the number of blogs and CMS instances, not all publishers have access to their own data in an easy-to-use format like XML. Small companies — such as independent retail shops and restaurants — still rely on static websites.

    Yahoo! provides the tools to bridge the gap between static or unstructured content and Widgetbox tools, such as our blog widget and Mobile Site Builder, which require structured content. Yahoo! Query Language (YQL) is a single REST endpoint with a SQL-like syntax for accessing data from large variety of web services.

    YQL also exposes a collection of data manipulation tables that make working with existing data, such as HTML, much more concise than traditional screen-scraping techniques.

    Suppose a restaurant has a menu on its website with the following HTML structure:

    Code for the menu

    The following YQL

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  • Become a Gov 2.0 Hero: Join Code for America

    This is a Guest Post post by Jennifer Pahlka (@pahlkadot)
    Executive Director and Founder, Code for America.

    Most people want to do good in the world. Volunteer organizations everywhere count on that instinct to help make the world a better place, and they channel our energies in places where we can help. We can build houses for Habitat for Humanity, serve the homeless in our local soup kitchen, or help out at the animal shelter. It gives us a sense of purpose.

    If you’re a developer, though, you have skills most other volunteers don’t have. And the 21st-century equivalent of barn raising is creating online and mobile platforms that benefit everyone.

    A couple of years ago, a friend of mine sold his company and decided he wanted to help government with its technology challenges. He could see that the way government obtained software was very different from how the private sector does it now. This was leaving government behind, saddled with clumsy, expensive systems that are outdated by

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  • InfoChimps Query API in public beta

    Editor's Note Sarah Nordquist is the Community Manager of Infochimps, an Austin, Texas startup that seeks to democratize access to the world's structured data. On the Infochimps site, you can find, sell, or share any dataset in the world.

    This week, Infochimps released its Query API into public beta. It offers several calls that allow subscribers to analyze a prodigious amount of Twitter data, dating back to 2006. Our current operational calls include Trstrank, Wordbag, and Influencer Metrics.


    Trstrank uses an algorithm similar to Google PageRank to generate a numerical rank that indicates the amount of influence a particular user has. This is a much more robust way to determine a Twitter user's influence than by number of followers alone.


    Wordbag enables you to discover what a specific Twitter user finds interesting. After entering the handle of a specific Twitter user, Wordbag generates a list of words native to that Twitter user. Wordbag differs from a mere search

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  • Semantic Search: An Interview with Peter Mika, Yahoo! Research

    Peter Mika is a researcher with Yahoo! Research in Barcelona, Spain. He will be in San Diego on June 19, 2010, to present a talk, The future face of Search is Semantic for Facebook, Google, and Yahoo!. In light of Peter's talk, Barbara Starr — co-organizer of the San Diego Semantic Web meetup, which is hosting the talk — asked him a few questions about semantic search.

    What is Semantic Search?

    Semantic Search, as it increasingly being used, is the idea of improving document search by using metadata or by searching on the metadata directly. An example of the first case is when we exploit metadata embedded in HTML — using microformats or Resource Description Framework (RDFa) — to improve some aspect of search. In the case of Yahoo! SearchMonkey, the metadata is used to enrich search result display. Examples of the second case are Semantic Web search engines such as Sindice that crawl and index metadata in RDF.

    There is a growing interest in both areas due to the increasing amounts of

    Read More »from Semantic Search: An Interview with Peter Mika, Yahoo! Research


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