Reactive Processes: A Content ontology design pattern presented at WOP/ ISWC2012

1. Reactive Processes
REP: A content ontology design pattern This P
Monika
Solanki
and
Craig
Chapman
(versi
comm
{monika.solanki,
craig.chapman}@bcu.ac.uk
If you
Birmingham
City
University,
UK
temp
e day
Intent Pattern Usage: Algal Biomass Production Processes
Many scenarios in the engineering, manufacturing and biotechnologies As an exemplifier for the pattern, we showcase the application of REP to
de sectors employ “reactive” processes, usually carried out in a closed an ontology that models algal biomass production processes. Verif
our system, e.g., a bioreactor in which a chemical process is carried out, Go to
which involves organisms or biochemically active substances derived prefe
from such organisms. Such processes consume inputs and produce size o
outputs in a controlled environment and on being triggered by certain
printe
events.
look l
The remit of the REactor Pattern (REP) is to enable the evalu
ontological modelling of reactive processes in a generic way As illustrated in the Figure above, the set of inputs to the process of algal subm
across multiple domains. Reactive processes are parametric where biomass cultivation are Carbon, water, total infrastructure area, total
energy, nutrients, consumables and labour. Possible outputs from the
the governing parameters are process inputs and outputs. REP is especially Using
targeted towards modelling reactive processes with a “black box” view of process are algal constituent products, indirect algal products, uncaptured
To ad
the process. REP provides ontological placeholders for input and output gas emission, liquid waste output, solid waste output. Some environmental
conditions that must hold for the algae to be harvested are,
and t
parameters, environmental conditions and events. The pattern exploits
other CPs for the definition of certain entities. ! The water must be in a temperature range that will support the specific click
algal species being grown. frame
Competency Questions ! The pH range for most cultured algal species should be between 7 Then,
and 9, with the optimum range being 8.2-8.7. you c
! What are the “types” of inputs consumed by a certain process?
e The event that triggers of the algae cultivation is the addition of be fo
! What are the “types” of outputs produced by a certain process?
! What are the values of input and output parameters for a certain the source culture to the growing containers or reactors.
process? Modif
The figure below illustrates the application of REP to the use case.
! What are the measurement criteria for a certain process parameters? This t
to ! What environmental conditions need to hold for a process to get colum
activated? mous
! Which events trigger specific processes?
n click
Consequences layou
the p
REP provides ontological modelling primitives that govern reactive
processes across several domains, independent of modelling details of the
advan
actual reactor involved. This effectively caters for exposing a black box and t
view of the process, which is very desirable when querying the model for
ter to consumption and production logistics of the process. Impo
Graphs produced using Graffoo (http://dwellonit.svn.sourceforge.net/viewvc/dwellonit/GraFFOO/index.html)
TEXT
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21
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