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In this paper, we present a methodology to detect suspected anomalies in evaluation of essay type answer books based on relationship between marks awarded and symbols used during evaluation. We identified dominant symbols used by evaluators and their relationships with marks awarded based on analysis of evaluated essay type answer copies. Further, for each evaluator relationship between symbols used...
Dashboard is an integration, validation, and visualization tool for Natural Language Processing (NLP) applications. It provides infrastructural facilities using which individual NLP modules may be evaluated and refined, and multiple NLP modules may be combined to build a large end-user NLP system. It helps the system integration team to integrate and validate the NLP system. The tool provides a visualization...
Students enrolled in postgraduate degree programs such as M.Tech. and Ph.D. are required to learn research methodology and to contribute in the body of knowledge. They spend considerable amount of time in literature survey which involves going through published articles and research papers to identify their domain of interest and issues to be addressed. While going through these publications, they...
There is growing perception in academic community that internet and web resources are dominantly used for non-academic and social purposes. There have been some studies to validate this perception.
Several systems have been proposed to merge ontologies for heterogeneous application domains. They give primacy to concepts and roles. In this paper, we describe an algorithm to merge two or more ontologies constructed from a common set of corpus for an application domain by different groups of ontology experts. We give primacy to instances and values to discover mismatch. Our algorithm makes distinction...
In this paper, we propose a two-tiered distributed hash table (DHT) based overlay for an implementation of publish/subscribe. In this overlay, upper tier consists of stable nodes with more resources whereas lower tier contains less stable nodes with limited resources. In our design, all nodes are required to join at lower tier and nodes with better uptime and resources may dynamically migrate to upper...
In this paper, we present a formalism to represent pattern-based design of an application in terms of design-patterns, their instances, glue, operators and their required parameter-sets. These operators include instantiation, evolution and composition. Structural formalism is modeled in terms of entities and relationship between them. Constraints are defined for entities and relationship between them...
Use Cases describe behavioral requirements of software systems in textual form. They are interpreted for creation of analysis, design and implementation artifacts, including user interface (UI). There is a very likelihood of inconsistencies in the interpretation of the Use Cases by different members of software development team. Various research efforts have been made to associate a formal model with...
Emergence of web services have generated new business models, opportunities and challenges. One of the major challenge faced in effecting utilization of these web services is composition of non functional features such as performance, security and geographical affinity of these services. Existing standards do not address the composition of such non functional features. A formal model based on trace...
Web service choreography description language (WS-CDL) choreographies describe peer-to-peer collaboration between participating web services and their obligations. Several formal models have been, proposed for verification of correct implementation of these collaboration and obligations in Web service business process execution language (WS-BPEL). However, these models did not address temporal constraints...
Usecases are widely used to decompose and describe functional requirements of software systems. They do not capture non-functional requirements which describe orthogonal properties and restrictions of systems. Relationships between use cases are described using UML stereo types extend and include. These two stereo types are not adequate to capture many-to-many relationships between functional and...
This paper presents metadata extraction technique from email documents. Emails are characterized in terms of keywords that are extracted from body of the mail using frequency, average similarity and term discrimination value measures. The email metadata is defined as a document type definition (DTD) in extensible markup language (XML) that captures the structure as well as content characterizing keywords...
Publish-subscribe communication paradigm is an attractive alternative for MANET because of its anonymous, asynchronous and decoupled behavior. A broker is a dominant component of this paradigm and its design is non-trivial in MANET due to unpredictable mobility of nodes. In this paper, we present an algorithm to establish a reconfigurable, distributed network of brokers, facilitating guaranteed communication...
In order to investigate specific and general adaptation of chickpea in India, a wide range of sub-continental, Australian and Mediterranean genotypes were grown across seven sites characterizing the major chickpea growing areas over 3 years, and extensive data on plant stand, early vigour, phenology, productivity and yield components collected. High and low yielding sites were clearly separated by...
The concept of roles has been advocated to model application domain objects which evolve dynamically during their lifespan. These objects may acquire new and drop old roles. Several research efforts have focused on formalizing roles as conceptual unit and their mappings to classes and objects of class based languages. This paper presents a formal notation for modelling temporal relationships between...
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