Author: dave fauth

Neo4j – New Neo4j-import

Neo4j has recently announced the 2.2 Milestone 2 release. Among the exciting features is the improved and fully integrated “Superfast Batch Loader”. This utility (unsurprisingly) called neo4j-import, now supports large scale non-transactional initial loads (of 10M to 10B+ elements) with sustained throughputs around 1M records (node or relationship or property) per second. Neo4j-import is available […]

Reading and Writing Parquet files with Mortar

Post author By dave fauth
Post date May 21, 2014
Categories In Hadoop, Impala, Mortar, Parquet, Uncategorized
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Using Mortar to read/write Parquet files You can load Parquet formatted files into Mortar, or tell Mortar to output data in Parquet format using the Hadoop connectors that can be built from here or downloaded from here. Last year, Cloudera, in collaboration with Twitter and others, released a new Apache Hadoop-friendly, binary, columnar file format […]

Medicare Payment Data set for release

Post author By dave fauth
Post date April 3, 2014
Categories In Uncategorized
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The Centers for Medicare and Medicaid Services made a huge announcement on Wednesday. By mid-next week (April 9th), they will be releasing a massive database on the payments made to 880,000 health care professionals serving seniors and the disabled in the Medicare program, officials said this afternoon. The data will cover doctors and other practitioners […]

Analyzing HHS Data with Mortar

Post author By dave fauth
Post date April 3, 2014
Categories In Uncategorized
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I’m starting a new series on analyzing publicly available large data sets using Mortar. In the series, I will walk through the steps of obtaining the data sets, writing some Pig scripts to join and massage the data sets, adding in some UDFs that perform statistical functions on the data and then plotting those results […]

Hadoop, Impala and Neo4J

Post author By dave fauth
Post date March 12, 2014
Categories In Hadoop, Neo4J, opendata, Uncategorized
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Back in December, I wrote about some ways of moving data from Hadoop into Neo4J using Pig, Py2Neo and Neo4J. Overall, it was successful although maybe not at the scale I would have liked. So this is really attempt number two at using Hadoop technology to populate a Neo4J instance. In this post, I’ll use […]

Recently Released Public Data Sets

Post author By dave fauth
Post date March 10, 2014
Categories In Uncategorized
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ProPublica announced the ProPublica Data Store. ProPublica is making available the data sets that they have used to power their analysis. The data sets are bucketed into Premium, FOIA data and external data sets. Premium data sets have been cleaned up, categorized and enhanced with data from other sources. FOIA data is raw data from […]

Extracting Insight from FBO Data Using Mortar and Elasticsearch – Part 4

Post author By dave fauth
Post date February 5, 2014
Categories In Elasticsearch, Hadoop, Mortar, opendata, Visualization
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Earlier this year, Sunlight foundation filed a lawsuit under the Freedom of Information Act. The lawsuit requested solication and award notices from FBO.gov. In November, Sunlight received over a decade’s worth of information and posted the information on-line for public downloading. I want to say a big thanks to Ginger McCall and Kaitlin Devine for […]

Extracting Insights from FBO.Gov data – Part 3

Post author By dave fauth
Post date January 21, 2014
Categories In Hadoop, Mortar, opendata
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Extracting Insights from FBO.Gov data – Part 2

Post author By dave fauth
Post date January 5, 2014
Categories In Hadoop, Mortar, opendata, Uncategorized, Visualization
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Extracting Insights from FBO.Gov data – Part 1

Post author By dave fauth
Post date December 30, 2013
Categories In Hadoop, Mortar, Vertascale, Visualization
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Extracting Insights from FBO.Gov data – Part 1 Earlier this year, Sunlight foundation filed a lawsuit under the Freedom of Information Act. The lawsuit requested solication and award notices from FBO.gov. In November, Sunlight received over a decade’s worth of information and posted the information on-line for public downloading. I want to say a big […]