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Problem solving in the 21st century increasingly depends on the analysis of complex systems. Developing new drugs, understanding risk in financial networks, searching for answers in knowledge graphs, personalization and recommendation in social networks all require the analysis of systems composed of interconnected entities that exhibit complex behavior as a whole. Graph computing provides a conceptual model and practical platform for developing such analyses. This talk presents graph computing as an important component of every developer’s toolbox. We introduce the Aurelius graph cluster which is an open-source stack enabling graph computing at scale by building on distributed systems like Cassandra, HBase, and Hadoop. This stack addresses challenging problems in graph partitioning, graph query language design and graph algorithm development with solutions inspired by physics, biology and neuroscience.
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AURELIUS THINKAURELIUS.COM
@mbroecheler #strangeloop 2013
Matthias Broecheler
September IXX, MMXIII
Enabling Humans
;MMI=C;NCP? G?GILS ;H> NBCHECHA
What is the name of and highest degree earned by
the wife of the current president of the US?
SELECT People.name, DegreeEarned.name FROM DegreeEarned INNER JOIN People ON DegreeEarned.personid=People.personid INNER JOIN Spouse ON People.personid=Spouse.wifeid INNER JOIN President ON President.personid=Spouse.husbandid INNER JOIN Country ON President.countryid=Country.countryid WHERE Country.name='USA' AND President.until=NULL ORDER BY DegreeEarned.type LIMIT 1
What is the average term length of those presidents of the US that took office
in the 1980s or later?
SELECT Avg(President.term_length) FROM President INNER JOIN Country ON President.countryid=Country.countryid WHERE Country.name='USA' AND President.from>1980
name: George H.W. Bush
president
spouse
father
president
spouse
spouse
name: Barbara Bush
name: Laura Bush
name: George W. Bush
name: Michelle Obama
name: Barack Obama
country_name: USA
president
from: 2008 until: -
from: 2000 until: 2008
from: 1988 until: 1992
degree
degree
degree
type: school
type: college
type: graduate
name: Juris Doctor date: 1988
name: Bachelor of Arts date: 1985
name: High School Diploma date: 1981
g.V('country_name', 'USA').inE('president').hasNot('until').outV .out('spouse').as('x') .out('degree')[0].as('y’).select{it.name}
president
spouse
father
president
spouse
spouse
name: Laura Bush
name: George W. Bush
name: Michelle Obama
name: Barack Obama
country_name: USA
president
from: 2008 until: -
from: 2000 until: 2008
degree
degree
degree
type: school
type: college
type: graduate
name: George H.W. Bush
name: Barbara Bush
name: Juris Doctor date: 1988
name: Bachelor of Arts date: 1985
name: High School Diploma date: 1981
from: 1988 until: 1992
Enabling Humans
Complex Systems
;MMI=C;NCP? G?GILS ;H> NBCHECHA
G;>? I@ G;HS HIH C>?HNC=;F ?F?G?HNM =IHH?=N?> <S >CP?LM? CHN?L;=NCIHM
Enabling Humans to analyze
Complex Systems
;MMI=C;NCP? G?GILS ;H> NBCHECHA
G;>? I@ G;HS HIH C>?HNC=;F ?F?G?HNM =IHH?=N?> <S >CP?LM? CHN?L;=NCIHM
Distributed Graph Computing at Scale TITAN.THINKAURELIUS.COM
TITAN
Vertex-Centric Index
NCG? CGJILN;H=? NSJ?
Aurelius Graph Cluster
OLTP OLAP
Hadoop MapReduce
Analysis results back into Titan
Apache 2
g.V.label.groupCount g.v(101).out
titan.thinkaurelius.com faunus.thinkaurelius.com
AURELIUS THINKAURELIUS.COM
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