Other excellent CC0 stock photography sites: Feel free to modify images and use them in any context without attribution. All of their images fall under the CC0 license, which means they are in the public domain. It has a HUGE selection of stock photography and a great search tool. Pixabay is one of the libraries in CC Search. Whether you’re looking for an audio sample, a video clip or a great image, you can find them all at CC Search. Rather than going to different sites that offer Creative Commons content, you can search many of the largest libraries at once. Many websites have free media to use under certain conditions with a Creative Commons license. If you want great stock photography that you can reuse online, start by looking through CC search. Whether or not your church has decided if it should be Linkedin, using its SlideShare search tool is a no-brainer. It is just what its name implies: a repository of slide decks on any topic you can imagine and quite possibly, from the seminar you just attended. Since being bought by LinkedIn, SlideShare has become one of the top 100 most-visited sites on the Internet. If you’re searching for the slides to the presentation you just saw or the bullet points on any topic, SlideShare is the perfect place to begin. Beyond breaking news, Twitter is becoming a better search engine in general as people continue to increase the amount of pictures, links and musings. Even before the major news outlets have a story, a quick search of Twitter will likely turn up a handful of articles that have been published as well as many firsthand accounts. With its millions of users constantly updating their status in a couple of sentences, Twitter is the perfect place to get information on current events. More and more, news breaks first on Twitter. If you are seeking information on a news story happening in real time, start with Twitter. When you are looking for data, you can often skip reading several articles on different sites by taking a moment to look at the results on Wolfram Alpha. Putting in your church’s ZIP code will return racial demographics, educational statistics, income information, average house cost, number of businesses, local weather and so forth. To get an idea of the results it returns, simply put in a first name and it will return various data points such as when it was most popular, the likely age of people with that name and the like. Instead of returning pages, it tries to return information. Wolfram Alpha calls itself a computational knowledge engine that takes searching one step further than the average search engine. If you are looking for historical data or trends, look to Wolfram Alpha. Instead of scouring the net and compiling that data, Dogpile runs your search on leading search engines like Google and Yahoo!, piles results on top of each other, combs through them, eliminates duplicates and presents the best options from all the different engines. Dogpile is known as a meta search engine. When you need a broader search, enter your terms into. In our experiment we concluded that score-based aggregation favored performance in terms of Average Precision and Mean Reciprocal Rank, while rank-based aggregation favored document discovery.Hit a dead end with Google? Know these 7 great alternative search engines & when to use them. We present results that we obtained with aggregations based on logistic regression using both ranks and scores. This paper reports on work in progress and describes rank aggregation framework with score normalization. We work with the collection of scientific publications of the CERN Document Server. In our work we focus on document ranking in scientific publication databases. In this paper we present an approach to score aggregation for specialized search systems. Specialized search engines score aggregation information retrieval digital library Invenio CDS Veselý, M (LIA EPFL) Rajman, Martin (LIA EPFL) Le Meur, Jean-Yves (CERN) Marian, Ludmila (CERN) Caffaro, Jerome (CERN)ģrd International Conference on Agents and Artificial Intelligence, Rome, Italy, 28 -, pp.ICAART 2011 D-Rank: a framework for score aggregation in specialized search
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