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Description: The research paper DCOM Technical View Distributed Applications Seminar talks about Distributed Applications. Some functions are inherently distributive in nature. It means some applications have many end users. Typical examples of such applications are chat, games, and emails. Microsoft® Distributed COM (DCOM) extends the Component Object Model (COM) to support communication among objects on different computers—on a LAN, a WAN, or even the Internet. With DCOM, your application can be distributed at locations that make the most sense to your customer and to the application. The research paper meticulously explains what DCOM architecture is.

Why Write Distributed Applications: Distributed Applications are written for applications that inherently rope in multiple users. Apart From such things applications are there that rope in at least 2 users. But because these applications were not considered to be distributed, they are limited in scalability and ease of deployment. Any kind of workflow or groupware application, most client/server applications, and even some desktop productivity applications basically control the way their users communicate and cooperate. Thinking of these applications as distributed applications and running the right components in the right places benefits the user and optimizes the use of network and computer resources. The application designed with distribution in mind can accommodate different clients with different capabilities by running components on the client side when possible and running them on the server side when necessary.

Conclusion

The research paper concludes suggesting that the DCOM makes it easy to write a distributed application that

1. Scales from the smallest single computer environment to the biggest pool of server machines.
2. Provides a rich and symmetric communication between components.
3. Has a facility to robustly expand to meet new functional requirements.
4. Can take advantage of existing custom and off-the-shelf components.
5. Can integrate teams proficient in any programming language and development tool.
6. Can use network bandwidth carefully, while providing great response times for end-users.
7. Is inherently secure.
8. It provides a smooth migration path to sophisticated load-balancing and fault-tolerance features.

Has the capacity to efficiently deployed and administered.

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Description: The research paper Data Base Designs Help Systems Technical Paper Presentation talks about it help desk and Data Base Designs. The research paper suggests that IT problems are relatively tougher to deal. The IT problems are solved by IT Technicians. Sometimes a many technicians might solve a single problem. Problem arises when a problem is resolved by many technicians. I could be that each technician has his own way of resolving a problem. There could be lot of clash and confusion in a scenario like this.

Drawbacks of help systems: The research paper explains in depth the problems that might arise in Help Systems. They are:

1. Help systems are inherently problematic
2. A problem is viewed by several technicians each specializing a different area of expertise.
3. A technician might not be well versed in tackling a problem as the problem might be away from his zone of specialization
4. There is no information suggested on the way the problem was resolved.
5. The manager is unaware of the number of technicians working over a single issue.

Conclusion: The following solutions have been identified to tackle the help desk systems:

Solutions offered:

1. It is better if manager deputes a specific problem to a technician
2. Manager should create a team analyzing individual technician’s area of expertise
3. Technicians are then finally deputed to a problem

Technicians finally start tackling it.

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Description: The research presentation Data Base Testing Technical Paper Presentation talks about Data Base Testing. The presentation suggests that Database Testing mainly concentrates on following:

• Data Integrity test
• Stored Procedure test
• Type test
• Data Size Test
• Event Driven Item Test
• Input Item Verification

What is Data Integrity Test: Once a value undergoes any of the above actions (update / Delete / Insert) the database should be verified for the changes performed on related entities i.e., Foreign key / Primary key and all dependent entities.

Stored Procedure Test: Every Stored Procedure is to be tested separately for its functionality ( Based on Separate functions it performs ) Stored procedures need to be broken up into Action Items based on Functions and then Each action item needs to be tested separately as the results of Complete Stored procedure.

Execution may differ from the results obtained by partial execution. This also helps in validating the modularity of Code (White Box).

In the case of stored procedures, to come up with test cases one can consider the following: 

1. The no. of arguments being passed

2. The data type of each of the arguments being passed

3. The order of the arguments being passed

4. The return value

5. The data type of the return value

Based on these you can write both positive and negative test cases, consider a simple example of a stored procedure taking 2 numbers as input and returning the sum of the 2 numbers

This is the process of verification of the input items (Though this is not totally a part of database testing, but this has to be performed essentially during database testing of the Web based applications.

Often it is seen that the input items (Text Box / RTB / Combination Box / Active-X controls) are tested for validation only at front end (Screen testing) but these are again to be tested with junk Character values to confirm that they do not push in such characters which the databases Often misrepresent or Replace with other characters (this testing can partially be performed during Unit testing also by the developer

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Description: The research paper DATA VALIDATIONS FOR SECURE WEB APPLICATIONS speaks of Data Validation and secure web applications. It is suggested in the research abstract that the information shared on website in not secure altogether. In simpler words it is highly vulnerable. There is every need to secure the data and information published on our website. But with an increase in the flow of information through the medium of internet there is a very high increase of the vulnerability factor to. Hackers are there in the virtual world hiding in every nook and corner with the desire to steal your information in order to benefit their own business concerns. This research abstract speaks about ways of securing the information in a highly threatening scenario like this.

Modular approach has been suggested as one the most effective ways of securing the information. It talks about how to introduce a scheme in a web application. It says that:

• Data should be validated in the data model, where the validation rules have maximum scope for interpreting the context; and
• Escaping of harmful meta-characters should be performed just before the data is processed, typically in the data access components.

When inadequate security measures are implemented the following things might probably take place. An attacker could subvert the application logic, execute unauthorized commands or code on backend systems or compromise the trust the user has in the application. Parameter manipulation, code injection, cross site scripting, SQL injection, operating command injection are some of the possible attacks.

Conclusion: The research paper concludes on a note that it is almost an ocean of information that passes through the medium of internet these days. In a scenario like this there is every possibility of an attack. Some approaches can be adopted to safeguard the data in a scenario like this. Modular approach adopted for data validation and verification is one very effective way of securing the data from any attack.

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Description: The research paper Data Warehousing and Data Mining describes data warehousing and mining techniques. It has been suggested in the research paper that there has been increase in knowledge and information in colossal proportions ever since the advent of man on the earth. Knowledge and information thus produced and discovered have been helping the human race to evolve. Systematic archiving of information and data generated becomes important when one talks about Data base management. Data mining and warehousing techniques hold interesting solutions to database management systems.

What is mining and warehousing: Data mining helps archiving information in understandable formats. Data mining also helps in extracting hidden information from the ocean of information. It could be that data mining could discover information that is almost proves ‘gold’ to the organization. Hence the name. Applying data mining techniques companies could lay hands on exquisite information that gives them an edge over their competitors. This way data mining helps in making the procedures of the company extremely transparent, heightening the customer loyalty factor. Data mining has some wonderful solutions to offer the customer fraternity to uphold their integrity and interest. Thus mining helps the company grow in a lesser period of time.

Warehousing on the other hand helps analyzing the data and putting it in patterns as to analyze, evaluate, predict and forecast. Data warehousing helps the company’s evaluate their own strengths and weaknesses in the backdrop of their competitor’s. Data warehousing is constantly coming up with better performance tools such as the Semantic Web to gain both edge and security over the data management processes.

Conclusion: Both the techniques aim at presenting data and information in purest form so as to facilitate business development. Much has been achieved in the field of DBMS. Still much has to be achieved. The reason is that the knowledge, information and data are such things that increase form second to second and almost double in some years. Hence better techniques to cope with the information in colossal form ought be developed simultaneously.

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Description: The research paper Data Warehousing Semantic Web Final Project Seminar Report suggests that Data Warehousing has now come up with new trends such as semantic web that is more users friendly. The paper suggests that there has been an astronomical increase in the amount of data produced in the recent years. Data that passes through networked systems is vulnerable to security threat. Not all data that is produced can be shared or viewed.

What is semantic web: Semantic Web offers viable solutions to problems like these.

Semantic web is a mesh of information linked in a way that it could easily be processed by machines at a very large scale, i.e. globally. Semantic web is about extracting information and putting them in understandable formats from many sources. The semantic web as the name itself suggests helps in creating a language for data processing. Semantic web also aims at secure transmission of huge data.

Data that is generally hidden away in HTML files is often useful in some contexts, but not in others. The problem with the majority of data on the web that is in this form at the moment is that it is difficult to use on large scale, because there is no global system for publishing data in such a way as it can be easily processed by anyone. Technically WWW means a set of protocols and languages driven by a strong standards approach namely URI, HTTP, HTML, HML. The principles involved are the

1) Implementation and platform independence crucial and

2) World Wide Web consortium the most prominent.

Conclusion: The research paper suggests that Semantics web is still in incipient stage and has to evolve to a very large extent. Semantic web does offer a lot of solutions for security of data processed and transmitted. Semantic web enhances trustworthiness of a document.

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Description: The research paper CSE Seminar on Data Warehousing and Data Mining talks extensively about Data Mining and Warehousing techniques. It says that these days businesses heavily depend upon information. Information is churned out in astronomical pace. Companies not only churn put data but almost manage them simultaneously. Data exuded from innumerable research of hard work and research rests in a company. The information this generated is important to understand the scope of business and future business trends. Data not only has to be managed but has to be archived and presented to customers and during business meetings held to do some quintessential analyses.

The research paper speaks about the drawback of these techniques. It says that although there has been information explosion effective ways of managing this information, patterning it and archiving it in the form of comparative and contrastive formats is still not been achieved. The research paper suggests that these techniques have to evolve alongside information explosion almost unendingly. The paper talks about mining and warehousing and says that warehousing currently is aiming at coming up some best techniques that makes all the decision making go ‘online’.

Data mining almost goes with its name. One of the main objectives of data mining is to discover the ‘hidden’ gold i.e. very valuable information that has gone unnoticed in the data. Owing to viability of a thing like this, data mining techniques have merged with neural networks in order to offer some best of its kind, data base management techniques.

Conclusion: Data mining and warehousing thus help in uncovering the valuable hidden data in order to come up with better customer care feature. Data mining and warehousing have the intrinsic potential to make the business processes transparent thus escalating the customer –loyalty factor. Besides helping the organizations predict, analyse, compare and contrast business procedures these tools also help in achieving a very quick decision making which is fundamental to any business action.

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