Linguistic working at an e-books distributor
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Reference No.:- EM13136348

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Project Description 
You are a linguistic working at an e-books distributor. Your management has interest in finding out if commonly used words used in a book make the books more popular, therefore more books would be sold if the number of commonly used words in the book is higher. They believe that this fact would allow them to tailor their sales and marketing more closely to what would be purchased rather than just relying on the popularity of the author or other factors. So they want to test their theory by creating a web-services application that allows their customers to submit books to check the popularity of the words used in the book, thereby ranking the book as high, medium or low ranking, and then comparing that to the books ranking in sales. 
There could be different ways to implement the project. The simplest way is to create a RPC and a Document-style Web service to process a document (simple text). A more 
complex way is to use a combination of WSDL and database applications both on the 
server and the client side. You can choose either way. 
The three operatoins performed by the web service will be the following: 
Word Count: Counting the total number of words in a document. 
Word Rank: A ranking of all words appeared in a document. You may refer to the 
Internet that have listing of the most commonly used words, words that are not in the list 
will be ranked lowest (depending on your table length). 
Word Repeatability: Counting all words for the number of time they are used in a 
An example of word rank is shown as follows. This is a list of top 10 commonly-used 
English words. The word rank provided by your web service may or may not be the same 
as the this. 
Rank Word 
1 the 
2 of 
3 to 
4 and 
5 a 
6 in 
7 is 
8 it 
9 you 
10 that 
You will use the test document below to test the three operations your web service will 
provide on a document. 
"Message-oriented choreography 
The Paper Trail concept is that the state of a multi agent multi-process system can be 
looked at, sometimes rather effectively, as a function of the documents which have been 
The process-oriented attitude to a bank-customer relationship may be -In parallel, the 
customer writes checks, merchants pay in checks, credit card transactions happen, all 
month. Then, the charges, interest are assessed and a bank statement sent from the bank 
to the customer-. The document-, or message-oriented one is more like -Every month a 
bank balance lists valid transaction dated that month. A cleared incoming check in a 
valid transaction. A cleared outgoing check is a valid transaction. A validated credit card 
ebit is a valid transaction. A check is cleared if it is incoming and there is a matching 
transfer from the payee bank-, and so on. This builds the relationships up in a bottom-up, 
web like way. The process-oriented attitude suggests the bank be written as a procedure 
in a top-down way using for example WSCI and BPL. The document-oriented attitude suggests the use of business rules systems triggered by the receipt of new information -- new documents, in this case new web services messages. 
(Web service messages are of course documents just like documents sent in email. Messages are particular in that they have a particular time of transmission, and their document content does not change. They do of course generally have identifiers, and even though they can only be accessed by sender and explicit receivers, they can still be regarded as part of the web by those parties.) 
Whether the design process is a top-down process-oriented one or a bottom-up document-oriented one, the design will have to be translated into a set of agents and their responses to incoming messages. This manipulation can of course be done automatically. 
A concern in all this frantic design is it evolution with time. A BPEL script sets out to be a description of a business process at a high level. The critical values which decide on conditional execution, or which correlate a particular process with a given transaction, are expressed as parts of the structure of the XML messages. This may lead to what has been called -DTD fragility-. What happens which you change the DTD? The design of the message types with XML schema is the sort of thing which is difficult to get everyone in a company to agree on, and tents to change with time. There are many arbitrary choices made as to how the knowledge in the message is serialized as XML. Moving to RDF may, by removing a layer of arbitrary design, reduce that fragility and allow web service choreography to evolve with time within and outside a company." 
The mandatory fields (for customers and books) that need to be added are: 
Last name 
First name 
Address Street 
Address city 
Address state and zip code 
When was the book purchased? 
Where was the book purchased? 
Book's name 
Book's ISBN 
Book's author 
Book's edition 
If you wish to separate these fields into several files (especially when you use a database system) or add more fields, please feel free to do so. 
The results of the processing of the document must be sent back to the client, basically following a path as Client=>Web Service processing=>Client results. 
Additional information 
Error Handling: 
There should be necessary error handlings in your implementation. You can implement the SOAP methodology for handling faults by using special-purpose messages such as env:fault. 
Development kits: 
You can use any of the IDEs such as Visual Studio, Netbeans, Eclipse, Java SDK or Java EE, or other toolkits that you are familiar with. Most coding does not require these development kits but sometimes they are helpful for cohesion.

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