The document discusses plans for a future mission to Mars. It provides 10 facts about Mars, including that it is the fourth planet from the sun and has been visited by probes. It also lists the types of people and resources needed for a Mars mission, such as astronauts, engineers, supplies, fuel, and a spacecraft. Finally, it proposes using a graph database to store the different entities and their relationships in order to better organize the large amount of data for the Mars mission.

1. onsdag 29 maj 13

2. onsdag 29 maj 13

3. Mission to Mars
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4. Mission to Mars
@p3rnilla
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5. Mission to Mars
@p3rnilla
THE RED PLANET
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6. ”In the last century, Neil Armstrong became
the first person to walk on the Moon. In this
century you may become the first person to
walk on Mars...” - Franklyn M Branley
>>
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7. Research
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8. 10 things you should know about Mars
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9. 10 things you should know about Mars
1. Mars is the fourth planet from the sun
2. Mars is the seventh largest planet
3. Mars is a small rocky body
4. Mars's surface is closest to that of Earth of any of the planets
5. Mars may be the best hope for finding life away from Earth
6. Mars has inspired wild flights of imagination over the centuries
7. Mars has two tiny satellites which orbit very close to the surface
8. Mars has some remarkable geological characteristics
9. Mars has been visited by several probes
10. One day, humans will walk on Mars...
onsdag 29 maj 13

10. 10 things you should know about Mars
1. Mars is the fourth planet from the sun
2. Mars is the seventh largest planet
3. Mars is a small rocky body
4. Mars's surface is closest to that of Earth of any of the planets
5. Mars may be the best hope for finding life away from Earth
6. Mars has inspired wild flights of imagination over the centuries
7. Mars has two tiny satellites which orbit very close to the surface
8. Mars has some remarkable geological characteristics
9. Mars has been visited by several probes
10. One day, humans will walk on Mars...
Time to plan the trip...
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11. onsdag 29 maj 13

12. What do we need
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13. What do we need
People
Space Crew
Land Crew
SupplyMaps/Navigation
System
Time schedule
Spacecraft
$$Money
Astronauts
Engineers
Managers
Doctors
operative personal
Admin personal
foodwater
Test, test ,test
WC
space suits
communication tools
documentation
Mars
Earth
stars
training
fuelSystem
Salaries
clothes
training program
<6 months - from Earth> mars
more research
mars rover
planning
prep time
recovering time
Summary
sponsors
smart people
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14. ???
How do we store all the
this information in a good
way - so we easily can find
it after 5 years
???
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15. Let’s do it again
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16. ???
How do we store all the
this information in a good
way - so we easily can find
it after 5 years
???
WÄÄÄÄÄ
onsdag 29 maj 13

17. ???
How do we store all the
this information in a good
way - so we easily can find
it after 5 years
???
WÄÄÄÄÄ
onsdag 29 maj 13

18. SO MUCH DATA
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19. onsdag 29 maj 13

20. SQL (Structured Query Language)
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21. SQL (Structured Query Language)
NoSQL (Not only SQL)
Relational Database (MySQL)
Document-Oriented Database (MongoDB)
Column Oriented (Cassandra)
Key Value Stores (Redis, Riak)
Graph Database (Neo4j)
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23. Let’s try it with a graph database...
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24. Modeling the data
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26. onsdag 29 maj 13

27. to
participate_in
fly
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28. to
participate_in
fly
control
w
orks_in
look_after
look_after
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29. to
participate_in
fly
control
w
orks_in
works_at
look_after
look_after
works_at
w
orks_at
part_of
Mars
Mission_To_Mars
Astronaut
Pernilla
Spaceship
control_tower
Admin
Stina
Manager
Lisa
Doctor
Michaela
NASA
Headquarter
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30. to
participate_in
fly
control
w
orks_in
works_at
look_after
look_after
works_at
w
orks_at
part_of
Mars
Mission_To_Mars
Astronaut
Pernilla
Spaceship
control_tower
Admin
Stina
Manager
Lisa
Doctor
Michaela
NASA
Headquarter
onsdag 29 maj 13

31. to
participate_in
fly
control
w
orks_in
works_at
look_after
look_after
works_at
w
orks_at
part_of
Mars
Mission_To_Mars
Astronaut
Pernilla
Spaceship
control_tower
Admin
Stina
Manager
Lisa
Doctor
Michaela
NASA
Headquarter
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32. A graph database
=
Nodes and relationships
Nodes Relationships
Mars
Pernilla Astronaut
Anna Manager
Michaela Doctor
Lisa Admin
Stina Engineer
Supply
Spaceship
NASA
Control Tower
Mission_to_Mars
Money
goes_into
built
design
fly
works_in
look_after
works_at
participate_in
to
manage
pay_mission
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33. onsdag 29 maj 13

34. Cypher - a graph query language
๏a pattern-matching query language
๏declarative grammar with clauses (like SQL)
๏aggregation, ordering, limits
๏create, read, update, delete, match
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35. onsdag 29 maj 13

36. // create a node
create
(astronaut:Astronaut {name:"Pernilla", age:
27}),(target:Planet {planet:"Mars"}),
(mission:Mission {mission:"Mission to
Mars"});
// find nodes match to node 1,2,3
MATCH (astronaut)-[:PARTICIPATES_IN]
->(mission)-[:TO]->(Planet:planet) where
planet.planet = "Mars" RETURN
astronaut.name
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37. // create a node
create
(astronaut:Astronaut {name:"Pernilla", age:
27}),(target:Planet {planet:"Mars"}),
(mission:Mission {mission:"Mission to
Mars"});
// find nodes match to node 1,2,3
MATCH (astronaut)-[:PARTICIPATES_IN]
->(mission)-[:TO]->(Planet:planet) where
planet.planet = "Mars" RETURN
astronaut.name
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38. Demo
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39. THANKS!
Questions?
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