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  <front>
    <journal-meta />
    <article-meta>
      <title-group>
        <article-title>Modelling Business Transactions from the Value and Collaboration Perspective</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>Tharaka Ilayperuma</string-name>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Jelena Zdravkovic</string-name>
          <email>jelenaz@dsv.su.se</email>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <aff id="aff0">
          <label>0</label>
          <institution>Royal Institute of Technology Department of Computer and Systems Sciences</institution>
          ,
          <country country="SE">Sweden</country>
        </aff>
      </contrib-group>
      <abstract>
        <p>Business collaborations between actors encompass different business objectives, such as making product awareness, buying or selling specific products or goods, providing post-sale services, and so forth. Thereby, a clear identification of required business transactions is vital for modeling complex business collaboration, as well as for their further implementation with IT systems. Although value-oriented approaches are used to model businesses, a question remains about how to systematically identify business transactions and the values exchanged by these transactions. In this paper we propose a method for creating more exploratory business models using a defined class of business transaction as a basis for identifying the exchanged values spanning entire collaboration life-cycles.</p>
      </abstract>
      <kwd-group>
        <kwd>business model</kwd>
        <kwd>value model</kwd>
        <kwd>economic value</kwd>
        <kwd>internal value</kwd>
        <kwd>business transaction</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body>
    <sec id="sec-1">
      <title>1 Introduction</title>
      <p>Business models play an important role in information systems development. These
models are used for identifying and classifying business requirements in the terms of
actors, resources exchanged between them, and the activities performed by the actors
to produce these resources.</p>
      <p>There are different methods to create business models. Among them, the value
modeling focuses on describing values constellations between various business actors.
From the value viewpoint, in a business, actors engage in activities for creating values
(i.e. resources) and exchanging them further with the other business actors. The major
task in value modeling concerns identification of the objects with value, and their
transfer among the involved actors.</p>
      <p>However, in this context, there is still lack of systematic approaches for creating
more exploratory business models in regard to how: (a). value exchanges, more
precisely - transactions, are identified and classified with respect to different
objectives of business collaborations (b). values are derived for different phases of
business collaborations.</p>
      <p>Business collaborations occur with aims of achieving different business objectives.
In some situations, actors collaborate with each other with the aim of increasing the
knowledge about goods, services, and product preferences, or even as a means of
establishing certain business commitments for the future. Business actors could also
collaborate with each other with the aim of exchanging objects of value such as
goods, services, etc. Thereby, from the collaboration perspective, there seems to be
different purposes of business collaborations, such as establishing commitments for
future, or fulfillment of those commitments,, their maintenance, etc.</p>
      <p>In addition, from the life-cycle perspective, a business typically spans a number of
phases. ISO Open-EDI initiative [7] considers a business as consisting of five phases
(activities): planning, identification, negotiation, actualization and post-actualization.
From the value perspective, each of these activities may produce certain values to
consumer.</p>
      <p>In this study, we analyze different types of business collaborations and thereby we
identify the values that are to be exchanged in planning, identification, negotiation,
actualization and post-actualization phases of these collaborations. The final objective
is the obtainment of a value- explorative business model, which, thereby, can be used
as a comprehensive basis for identifying the services of a future information system.</p>
      <p>The paper is structured as follows. In Section 2, we give an overview of related
research. The classes of different business collaborations and transactions are defined
Section 3. In Section 4, we present a method for identification of values in the
proposed classes of collaborations and transactions. Finally, we summarize our
contribution and discuss subjects of future work in Section 5.</p>
    </sec>
    <sec id="sec-2">
      <title>2 Related Work</title>
      <p>In this section, we give an overview on the main related research concerning
valueoriented business modeling, categories of economic values (resources) and at the end,
we briefly describe the Open-EDI business life-cycle framework.</p>
      <sec id="sec-2-1">
        <title>2.1 Value Models</title>
        <p>
          There exist a number of efforts for business modeling in the research community,
such as the business ontologies [8], [9], and [
          <xref ref-type="bibr" rid="ref2">2</xref>
          ]. Studies [9], [
          <xref ref-type="bibr" rid="ref2">2</xref>
          ], [10], [5] and [6]
focus particularly on the notion of the resource and its value perspective.
        </p>
        <p>
          As mentioned in Introduction, in value modeling, the focus is on identifying the
objects of value to the actors involved in a business model. For the purpose of this
paper, we will make use of comprehensive and well-established business model
ontology, i.e. the e3-value [
          <xref ref-type="bibr" rid="ref2">2</xref>
          ]; this ontology is widely used for business modeling in
the e-commerce context.
        </p>
        <p>
          The e3 value ontology in [
          <xref ref-type="bibr" rid="ref1">1</xref>
          ] and [
          <xref ref-type="bibr" rid="ref2">2</xref>
          ] aims at identifying the exchanges of values
between actors in a business scenario. Major concepts in the e3 value are actors, value
objects, value ports, value interfaces, value activities and value transfers (see Figure
1). An actor is an economically independent entity. An actor is often, but not
necessarily, a legal entity, such as an enterprise or end-consumer, or even a software
agent. A value object (also called resource) is something that is of economic value for
at least one actor, e.g., a car, Internet access, or a stream of music. A value port is
used by an actor to provide or receive value objects to or from other actors. A value
port has a direction: in (e.g., receive goods) or out (e.g., make a payment), indicating
whether a value object flows into, or out of the actor. A value interface consists of in
and out ports that belong to the same actor. Value interfaces are used to model
economic reciprocity. A value transfer (also called value exchange) is a pair of value
ports of opposite directions belonging to different actors. It represents one or more
potential trades of resources between these value ports. A value activity is an
operation that can be carried out in an economically profitable way for at least one
actor.
Consumers value resources based on their fitness to achieve the goals of buying them
[5]. For example, a resident of certain area may value registration at the health care
center in the area because it would provide him an opportunity to get medical
treatment from them.
        </p>
        <p>Some concrete examples of resources are books, cars, movies, haircuts, and
medical treatments. These are more often called economic resources as they can be
transferred between different actors. More precisely, an economic resource is a
resource that can be under the control of an actor, in the meaning that the actor may
have legal rights on the resource. As a fundament for analyzing economic resources,
we utilize the following categories:
- Goods, which are physical objects, like cars, refrigerators, and cell phones.
- Information, which is data in a certain context, like blueprints, referrals, and
customer databases.
- Services, which are economic resources that encapsulate other resources, and are
used to increase the value of some other resource. Examples of services are haircuts
and eye-treatments.
- Rights, which describe the activities that the resource-holder can perform. For
example, buying a book does not transfer the buyer to reprint it and sell. For that the
buyer may need to obtain the economic resource “copy right”.
- Money and vouchers, which are media for exchange. A voucher is a certificate that
can be exchanged for another specific economic resource, e.g. a good or a service.
Money can be viewed as the most general form of voucher without any restriction
on economic resources and actors.</p>
      </sec>
      <sec id="sec-2-2">
        <title>2.3 Open-EDI</title>
        <p>The Open-EDI standard effort [7], as mentioned in Introduction, classifies a
business collaboration into five distinct phases, which are briefly described below:</p>
        <p>Planning: In this phase, the customer and the provider are engaged in activities to
identify the actions needed for selling or purchasing goods and services. As an
example, a distributor sends catalogues to potential customers.</p>
        <p>Identification: This phase involves the activities needed to exchange data among
providers and potential customers regarding selling or purchasing goods and services.
For example, a provider sends a quotation to a customer.</p>
        <p>Negotiation: In this phase, contracts are proposed and completed. Detailed
specifications of goods and services, quantity, prices, terms, and conditions are
determined in this phase. If required, the parties involved, may make bids and put
forward counter offers. For example, a customer sends offer to a provider and the
provider sends the counter offer to the customer.</p>
        <p>Actualization: This phase includes all the activities necessary for exchanging
goods and services between involved actors as agreed during negotiations. For
example, the provider sends advance shipping notice when goods prepared for
shipping.</p>
        <p>Post-Actualization: This phase contains all the activities and associated exchanges
of information between involved actors after the goods and services are provided. For
example, the customer sends a warranty invocation to provider.</p>
        <p>From the e3 value perspective, the activities performed in the outlined phases, may
be defined as followings (see also Figure 1): in the planning and identification phases,
actors and value objects are identified respectively; in the negotiation phase the
commitments to particular value exchanges are established; in the actualization phase
the agreed value exchanges are carried out, and in the post-actualization phase
possible complaints are performed.</p>
        <p>Planning</p>
        <p>Identification</p>
        <p>Negotiation</p>
        <p>Actualisation
Value object
identified</p>
        <p>Corresponding
partners
identified</p>
        <p>Commitments
and contract
completed</p>
        <p>Value
exchanges
carried out</p>
        <p>Post
actualisation
Possible
complaints
completed
Fig. 2. ISO Open-EDI phases of a business collaboration, defined from the e3 value
perspective
Business collaborations occur in different ways. In some cases, customers need to
register some information prior to actual transfer of the acquired resources. For
example, a person may need to register himself in a health care unit before getting a
medical treatment from it. This ordering of activities happen due to various reasons,
such as: a. risks associated with the resource transfer, b. the need for the assessment
and allocation of human and other resources required to handle customer demands,
and so forth. In some other cases however, buyers do not necessarily need to provide
some personal and product related information to establish commitments before the
actual transfer of resources. For instance, to purchase a book from an online book
shop, a customer may only need to provide his credit card information as a means of
making the payment. In such cases, there won’t be any transaction aiming to establish
commitments prior to the actual resource transfer. Following the described, we
identify the two major transaction types:</p>
        <sec id="sec-2-2-1">
          <title>Future Commitment Oriented</title>
          <p>In these transactions, actors collaborate with the aim of exchanging information such
as personal details (e.g. do an authorization), product preferences, etc. The main
concern here is to attract customers and expectantly establish specific commitments
for future transactions for selling actual products or goods. The goals of these
transactions may be two fold. A provider may engage with a customer with a goal of
providing a specific product over a certain time period. He could also have a goal of
identifying customer preferences, i.e. advertising his products to make the customers
aware of them. In the latter case, the transaction would not be aiming at selling some
specific product or service within a particular time frame, but only to make an
awareness of the available resources. Considering these two goals, we distinguish
product dependent and product independent transactions.</p>
        </sec>
        <sec id="sec-2-2-2">
          <title>Immediate Commitment Oriented</title>
          <p>In these transactions, collaborating parties start with providing resources, i.e. goods,
services, and also prepare and complete the resource delivery. As we have explained
above, certain businesses require having an authorization transaction established
between the resource provider and the customer before a potential resource transfer
occur, In such cases, we call the transaction concerning the transfer of resources as
dependent on an authorization. An example would be that a patient seeking the
medical treatment at a local health care unit may need first to perform an
authorization from the latter by means of obtaining an acceptance registration in it.
However, obtaining an authorization is not a must in every business. For example, to
buy some goods from an online web shop, a customer may only need to provide her
credit card information as a means of making the payment. In such cases, the actual
transfer of goods is authorization independent.</p>
          <p>Considering the two categories of business transactions identified above and their
sub-classifications, in the following, we distinguish four basic transaction types for
business collaborations:
1. Future commitment oriented, product independent.
2. Future commitment oriented, product dependent
3. Immediate commitment oriented, authorization dependent
4. Immediate commitment oriented, authorization independent</p>
          <p>In what follows we discuss possible dependencies among the outlined transactions,
to get an understanding of possible orderings of their execution.</p>
          <p>The first two transaction types do not involve the actual transfer of the resources
The first transaction (1), focuses on exchanging personal and product related
information. Here, the involved actors do not identify the concrete products or
services to be exchanged. As such, this transaction cannot be a pre-requisite for other
transaction types in the list. In the second transaction (2), actors exchange not only
personal and product related information but also agree on the products or services to
be later exchanged. As such, it must precede an immediate commitment oriented –
authorization dependent transaction type (3). Since the resource types had been
already identified in a future commitment oriented transaction, here actors set the
focus on agreeing on facilitating services such as delivery, or allocation of human and
other resources. Regarding the fourth transaction type in the list, the actors agree both
on the resources to be exchanged and completing the delivery, and therefore this
transaction type is not dependent on any other one.</p>
          <p>In the following section, we identify different types of resources transferred in each
of the defined transaction types along the five phases of Open-EDI: planning,
identification, negotiation, actualization and post-actualization. We outline the
proposals in the form of e3 value model templates.</p>
        </sec>
      </sec>
      <sec id="sec-2-3">
        <title>3.1 Future Commitment-oriented, Product-independent Transactions</title>
        <p>This type of transaction focuses on a prospective buyer registration independent of
any resource transfers. The primary aim is to make the buyer aware of products of a
company. This type of transaction involves the transfer of the economic resources
aiming at increasing knowledge of actors. For example, personalized
recommendations offered by amozon.com to its registered users aims to make them
aware of the items of their preferences.</p>
        <p>The resources transferred between the actors in this transaction are mainly
restricted to information resources. However, it is also possible that a provider sends
some other complementary resources as a means of advertising his products.</p>
        <p>In Section 2.3 we have given a brief overview of the Open-EDI proposal for
different phases in business transactions, and its relation with the e3 value model.
Thereby, in the following, we outline different categories of resources exchanged in
different Open-EDI phases of a business collaboration conforming to the Future
commitment-oriented, product-independent transaction type.</p>
        <p>Planning: In planning phase, the provider offers the information regarding the
registration service to the requestor.</p>
        <p>Identification: The requestor submits information requested by the provider.
Negotiation: The provider accepts the requestor as a registered user
Actualization: The provider offers product related information to the registered user.</p>
        <p>The e3 value model in Figure 3 depicts this transaction.</p>
        <p>Although the given business template is modeled as collaboration between two
actors, in practice the provider may use an intermediate for provisioning of the
discussed resources. However, since the focus in this transaction type is to model the
interaction between the requestor (of registration service) and the provider, we do not
include a third actor.</p>
      </sec>
      <sec id="sec-2-4">
        <title>3.2 Future Commitment-oriented, Product-dependent Transactions</title>
        <p>In some businesses, the customer registration becomes a prerequisite for the actual
transfer of economic resources. For example, a resident needs to be registered at a
primary health care center before he or she gets a medical treatment. This registration
could happen well before someone gets a medical treatment. Thereby, these are two
separate transactions aiming to achieve different objectives where the first aims to
achieve the registration of patients and the second treating the patients.</p>
        <p>In the following, we identify possible resources exchanges at different Open-EDI
phases for the transaction type in discussion:
Planning: The provider offers information regarding the economic resource
committed to offer later.</p>
        <p>Identification: The requestor offers information needed for registration
Negotiation: The provider grants right to the resource to the requestor
Actualization: The provider offers resource-related information to the registered
customers.</p>
        <p>In Figure 4, we depict the described transaction using an e3 value model.</p>
        <p>The template in above figure models the commitment establishment stage and
commitment fulfillment stage within different value transactions. This is basically to
make the template flexible to handle a situation where a registered user may not
consume his right to resource obtained at the commitment establishment stage. For
example, a registered resident may never take medical treatment and in such case the
template should be able to handle it.</p>
      </sec>
      <sec id="sec-2-5">
        <title>3.3 Immediate Commitment-oriented, Authorization-dependent Transactions</title>
        <p>We have explained in Section 3 that immediate commitment-oriented, authorization
dependent transaction requires that the future commitment-oriented, product
dependent transaction carried out first (i.e. template 2). In the following we go
through planning, identification, negotiation, actualization and post actualization
phases and identify different types of resources transferred in each phase.
Planning Not performed in this transaction since the resource types are already
identified in the Future Commitment Oriented – product dependent transaction.
Identification: The registered customers submit the registration information to the
provider. The provider may offer in return some additional information related for
instance, to the third actors associated with the transaction.</p>
        <p>Negotiation: Since the right for the resource has been established earlier (i.e. using
transaction template 1), here the provider and the customer engage in collaborations
regarding the establishment of rights for the facilitating services such as time
allocation, delivery of the resource, etc.</p>
        <p>Actualization: customer gets the custody of the resource. Provider gets the
compensation from the customer, for example, payment.</p>
        <p>Post-actualization: Post-sale services may be performed by the provider according to
a possible commitment established in the preceding transaction (template 1).</p>
      </sec>
      <sec id="sec-2-6">
        <title>3.4 Immediate Commitment-oriented, Authorization-independent Transactions</title>
        <p>In some businesses, the customer registration is not a required activity for the transfer
of economic resources. For example, when someone buys a book from a conventional
book shop, the buyer doesn’t necessarily register himself. Even in Web-based
transactions, buyers may only need to provide information to register his payment
obligations such as credit card details.</p>
        <p>In the following, we examine the five Open_EDI transaction phases, to identify the
types of resources transferred at each phase.</p>
        <p>Planning: The provider offers information regarding the resource in concern.
Identification: The provider sends the additional information requested by the buyer.
Negotiation: The provider offers the right to the resource to the buyer. The buyer
offers the right to payment (obligation to make payment) to the provider.
Actualization: The buyer gets the custody of the resource.</p>
        <p>Post-actualization: The provider offers warranty related services.</p>
        <p>The figure below models this business template in an extended e3 value model.</p>
        <p>In the above figure, we model only the core value transfers for the product
oriented-registration independent transaction template. In general, there may be
additional value transfers depending on possible additional economic resources
offered by the provider.</p>
      </sec>
    </sec>
    <sec id="sec-3">
      <title>Method and Method Application</title>
      <p>In this section we, introduce the case study that we use as a running example. Then
we derive business model components using the templates defined in Section 3.
Finally, we develop a complete business model using the derived components as
building blocks.</p>
      <sec id="sec-3-1">
        <title>4.1 Case Study</title>
      </sec>
      <sec id="sec-3-2">
        <title>4.2 Identifying Transactions and Developing the Business Model</title>
        <p>In this section, we identify the transactions in the previously described business
model, in accordance to the classification explained in Section 3. Then we further
explore them to identify relationship between them based on registration dependency
and product dependency.</p>
        <p>Guideline 1: Identify the transactions and establish dependencies between them, in
accordance to the classification and explanations given in Section 3.</p>
        <p>Based on the business scenario presented in the Section 4.1, we derive following
transactions.</p>
        <p>After considering possible future commitment-oriented transactions between the
primary care and the patient, we introduce transaction PatientRegistration (template
2). We also identify a similar transaction, SpecialistClinicReg. for establishing future
commitments between the primary care and the specialist (template 2)..</p>
        <p>For the provisioning of full treatment by the primary care to patients, we introduce
one transaction FullTreatment (template 3). For the provisioning of initial treatments
by the former to the latter, we introduce transaction InitialTreatment (template 3). For
referring the patient to the specialist clinic, by the primary care, we introduce
transaction ReferralManagement (template 3). For the provisioning of the advance
treatment by the specialist, transaction AdvanceTreatment (template 4) is introduced.</p>
        <p>Having identified the transactions, we next move to identify dependencies between
them and in parallel control the correctness of the dependency constellation. There are
two transactions of type future commitment-oriented, i.e. PatientRegistration and
SpecialistClinicReg. Both transactions are product dependent (template 2), i.e.
treatment and referral dependent respectively. Thereby, FullTreatment,
InitialTreatmen becomes dependent on PatientRegistration transaction, while
ReferralManagement depends on both the SpecialistClinicReg and PatientRegistration
transactions.</p>
        <p>Guideline 2: Identify economic resources in accordance to the identified transaction
templates (see sections 3.1 to 3.4) from the previous step.</p>
        <p>Table 1 below identifies the resources types along five Open-EDI phases for the
transactions occurring between the primary care and the patient.</p>
        <p>P
I
N
A</p>
        <p>FullTreatment
Patients provide
Registration information to
the primary care
primary care offers
Right2timeslot to the
patients.
patients offer Right to
payment to the primary
care
primary care offers Full
treatment to the patients.</p>
        <p>InitialTreatment</p>
        <p>PatientRegistration
Patients provide
Registration information
to the primary care
I
N
A
A
P
primary care offers
Timeslot to post health
examination.
primary care offers Post
health check to the
patients.</p>
        <p>primary care offers
Timeslot to post health
examination.
primary care offers Post
health check to the
patients.</p>
        <p>Regarding the PatientRegistration transaction (template 2), the primary care offers
the Service catalogue resource, containing the information regarding its services. In
the identification phase, the patient offers Personal information to the primary care. In
the negotiation phase, the primary care offers Right2services to the patients. This
means that the patient gets the right to get treatments whenever she/he needs medical
services. The primary aim of this transaction is to register residents in the area of the
primary care and to provide necessary information regarding the medical facilities and
services. Therefore, in the actualization phase, the primary care provides Information
updates (regarding medical services) to those who registered for it. Following the
same guidelines, the resources for the other two transactions are identified, as shown
in Table 1.</p>
        <p>In the Table 2 below, follwing the same reasoning as for the first table, we explore
the economic resources exchanged in transactions, ReferralManagement (template 3)
and SpecialistClinicReg (template 2).</p>
        <p>ReferralManagement
PCC offers Specialist clinic info to the
Patients.</p>
        <p>PCC provides Patient info to the SC chosen.</p>
        <p>PCC provides Specialist info to the Patient.</p>
        <p>In this transaction, we do not identify any
additional resources transferred between the
PCC and SCs.</p>
        <p>However, the PCC offers Right2Advance
treatment which is an additional service
offered to the Patients by the PCC.</p>
        <p>The PCC sends the Referral which means
transferring the custody of the Patients to
SCs.</p>
        <p>SCs offer Disease info. to the PCC.</p>
        <p>SpecialistReg.</p>
        <p>PCC offer Registration
service to SC
SCs provide
Registration info. to the
PCC
SC offers
Right2GetService to the
PCC</p>
      </sec>
      <sec id="sec-3-3">
        <title>4.3 Developing Business Model for the Health Care Case</title>
        <p>In this section, we take the economic resources identified along five Open-edi phases
of transactions, FullTreatment, InitialTreatment and ReferralManagement in section
4.1 and 4.2 and create the complete business model for the health care case. In the e3
value business model in the figure 6 below, there are three actors, the Primary Care,
the Patients and Special Clinics.</p>
        <p>In the model, there are five basic transactions which are connected in different
ways to represent how actors are collaborating with each other. For example, the
transaction FullTreatment could be able to associate with the transaction
ReferralManagement in such situations where the primary care gives the full
treatments to the Patients but the Patients should to be referred to specialist clinic
when they are not cured. Such situations are represented by using the AND &amp; OR
gates and dependency links between these transactions.
In this paper, we have analyzed value-based business collaborations and thereby we
have defined four possible types of value transactions. Using them, we have proposed
a method for creating business models templates that span the five major phases in
business collaboration as defined by Open-EDI initiative. . Our study is presented in
two major parts.</p>
        <p>The first part has been focused on identifying and classifying business
collaborations, by identifying resource types exchanged along the five phases of the
Open-EDI collaboration framework (i.e. planning, identification, negotiation,
actualization and post-actualization).. We have identified two primary collaborations:
Future Commitment Oriented and Immediate Commitment Oriented. For each of
them, we have identified set of attributes based on the goals of collaborations.
Considering the attributes and the collaboration types, we have defined the four basic
transaction templates.</p>
        <p>In the second part we have set the focus on creating a business model using and
combining the basic transaction templates identified in the first part. We used the e3
value business model ontology that is accompanied with a graphical notation, to
illustrate a final business model.</p>
        <p>The proposed method can be used in two ways. First, it can be used to
systematically suggest and identify transactions and create new and innovative
business models that extend the assortment of the exchanged resources, improving
thus economic performance of a network of actors in business collaborations. The
method will thereby assist business analysts in generating new ideas and help to
ensure that all potential value expansions are explored. Secondly, the methods
promotes using a value-based model as a starting point in developing business-aware
IT solutions, by, for instance, using the obtained business model as a basis for
identification of e-services provisioned by the involved actors and customized
according to actor-oriented internal values.</p>
        <p>
          There exist a number of directions for future research. Regarding the validation,
the method has been applied on a health care case, as described in the paper.
However, this application essentially constitutes only a proof-of-concept for the
feasibility of the method. More empirical work is needed on applying the method in
order to show its full usefulness; for instance, from the economic perspective (such as
utility, sustainability, see [
          <xref ref-type="bibr" rid="ref3">3</xref>
          ]. Another important issue concerns integration with the
technology, i.e. the use of the obtained explored business model, as a rich basis for
identifying e-services that will “carry” the values contained in the model
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