IT-703-C Social Networks - Nov 2023 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aExplain about the Emergence of the Social Web.
   How to answer

   • Define Social Web and Web 2.0 context
   • Timeline of emergence: blogs, wikis, social networking sites
   • Key enabling technologies and user participation
   • Characteristics: user-generated content, collaboration, sharing
2. 7 Marks
   bWrite about the importance of Social Network Analysis.
   How to answer

   • Define Social Network Analysis (SNA)
   • Importance for structure, influence and community detection
   • Applications in marketing, security, recommendation
   • Role in understanding information diffusion
3. 7 Marks
   aWrite briefly about several types of web-based networks.
   How to answer

   • Define web-based networks
   • Types: social, information, communication, collaboration networks
   • Brief features of each type
   • Examples of platforms
4. 7 Marks
   bWhat is meant by RDF and RDF Schema in Ontology languages for the Semantic Web?
   How to answer

   • Define RDF: triples subject-predicate-object
   • Define RDF Schema: classes, properties, hierarchy
   • Role in Semantic Web ontology languages
   • Example of RDF/RDFS usage
5. 7 Marks
   aWrite about the unique features of Web Ontology Language (OWL).
   How to answer

   • Define Web Ontology Language (OWL)
   • Unique features vs RDF/RDFS: expressiveness, reasoning
   • Sub-languages OWL Lite, DL, Full
   • Constructs: classes, restrictions, properties, logic
6. 7 Marks
   bHow FOAF provides a foundation for ontological representation of social individuals and their relationships?
   How to answer

   • Define FOAF vocabulary
   • Core classes: Person, Agent and properties
   • Representation of social individuals and links
   • Role as foundation for social Semantic Web
7. 7 Marks
   aExplain how evolution metrics are measured in Extracting evolution of Web Community from a Series of Web Archive?
   How to answer

   • Define Web Community evolution and Web Archive
   • Evolution metrics: growth, stability, change rates
   • Measurement procedure from series of archives
   • Interpretation for community tracking
8. 7 Marks
   bWrite about the concept of a community that can be defined in various ways local, global and definitions based on vertex.
   How to answer

   • Define community in networks
   • Local definitions: clique, cluster
   • Global definitions: partition, modularity
   • Vertex-based definitions: centrality, membership
9. 7 Marks
   aDiscuss about the Network Reduction.
   How to answer

   • Define Network Reduction
   • Need for reduction in large networks
   • Methods: sampling, aggregation, pruning
   • Impact on analysis efficiency
10. 7 Marks
    bWrite about the following in Enabling new human experiences.

    1. i)Social Networks
    2. ii)Reality Mining
    3. iii)Context Awareness
    How to answer

    • Link to enabling new human experiences
    • Social Networks: connectivity and collaboration
    • Reality Mining: sensor and behavioural data
    • Context Awareness: adaptive services
11. 7 Marks
    aDiscuss about Privacy in online social networks.
    How to answer

    • Define privacy risks in online social networks
    • Types of privacy threats and disclosure
    • Privacy settings and policies
    • Best practices and challenges
12. 7 Marks
    bDiscuss about the following in Attack spectrum and counter measures:

    1. i)Plain Impersonation
    2. ii)Profile Cloning
    3. iii)Profile Hijacking
    4. iv)Profile Porting
    How to answer

    • Define attack spectrum in social networks
    • Explain Plain Impersonation, Cloning, Hijacking, Porting
    • Countermeasures for each attack
    • Detection and prevention strategies
13. 7 Marks
    aExplain about the types of Centrality and Clustering.
    How to answer

    • Define centrality: degree, betweenness, closeness, eigenvector
    • Define clustering and clustering coefficient
    • Types and computation
    • Role in social network analysis
14. 7 Marks
    bWrite in briefly about Matrix representation.
    How to answer

    • Define matrix representation of networks
    • Adjacency matrix and incidence matrix
    • Example with small graph
    • Use in analysis and computation
15. 14 Marks
    Write a short note on any Two

    1. i)Email Groups
    2. ii)Censorship Attacks
    3. iii)Challenges for DOSNs
    4. iv)RSS Feads
    How to answer

    • Select any two topics from list
    • Define each with key features
    • Give examples and applications
    • Mention challenges or relevance to social networks