The Internet, with its profusion of information, has made us hungry
for ever more, ever better data. Out of necessity, many of us have
become pretty adept with search engine queries, but there are times
when even the most powerful search engines aren't enough. If you've
ever wanted your data in a different form than it's presented, or
wanted to collect data from several sites and see it side-by-side
without the constraints of a browser, then Spidering Hacks is for
you. Spidering Hacks takes you to the next level in Internet data
retrieval--beyond search engines--by showing you how to create
spiders and bots to retrieve information from your favorite sites
and data sources. You'll no longer feel constrained by the way host
sites think you want to see their data presented--you'll learn how
to scrape and repurpose raw data so you can view in a way that's
meaningful to you. Written for developers, researchers, technical
assistants, librarians, and power users, Spidering Hacks provides
expert tips on spidering and scraping methodologies. You'll begin
with a crash course in spidering concepts, tools (Perl, LWP,
out-of-the-box utilities), and ethics (how to know when you've gone
too far: what's acceptable and unacceptable). Next, you'll collect
media files and data from databases. Then you'll learn how to
interpret and understand the data, repurpose it for use in other
applications, and even build authorized interfaces to integrate the
data into your own content. By the time you finish Spidering Hacks,
you'll be able to: Aggregate and associate data from disparate
locations, then store and manipulate the data as you like Gain a
competitive edge in business by knowing when competitors' products
are on sale, and comparing sales ranks and product placement on
e-commerce sites Integrate third-party data into your own
applications or web sites Make your own site easier to scrape and
more usable to others Keep up-to-date with your favorite comics
strips, news stories, stock tips, and more without visiting the
site every day Like the other books in O'Reilly's popular Hacks
series, Spidering Hacks brings you 100 industrial-strength tips and
tools from the experts to help you master this technology. If
you're interested in data retrieval of any type, this book provides
a wealth of data for finding a wealth of data.
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