CS8080_IRT_UNIT - III T11 ORGANIZING THE CLASSES.pdf
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The document discusses organizing classes for text classification. It covers taxonomies for organizing classes in a hierarchical structure and relationships between them. The document is about a course on information retrieval techniques, specifically discussing organizing classification classes through taxonomies.
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3. **Frame Structure**: TDM data is organized into frames, where each frame consists of a set of time slots. Each frame is repeated at regular intervals, ensuring continuous transmission of data streams. The frame structure helps in managing the data streams and maintaining the synchronization between the transmitter and receiver.
4. **Multiplexer and Demultiplexer**: At the transmitting end, a multiplexer combines multiple input signals into a single composite signal by assigning each signal to a specific time slot. At the receiving end, a demultiplexer separates the composite signal back into individual signals based on their respective time slots.
### Types of TDM
1. **Synchronous TDM**: In synchronous TDM, time slots are pre-assigned to each signal, regardless of whether the signal has data to transmit or not. This can lead to inefficiencies if some time slots remain empty due to the absence of data.
2. **Asynchronous TDM (or Statistical TDM)**: Asynchronous TDM addresses the inefficiencies of synchronous TDM by allocating time slots dynamically based on the presence of data. Time slots are assigned only when there is data to transmit, which optimizes the use of the communication channel.
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- **Digital Audio and Video Broadcasting**: TDM is used in broadcasting systems to transmit multiple audio or video streams over a single channel, ensuring efficient use of bandwidth.
- **Computer Networks**: TDM is used in network protocols and systems to manage the transmission of data from multiple sources over a single network medium.
### Advantages of TDM
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- 1. P1WU UNIT – III: CLASSIFICATION Topic 11: ORGANIZING THE CLASSES AALIM MUHAMMED SALEGH COLLEGE OF ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SEMESTER – VIII PROFESSIONAL ELECTIVE – IV CS8080- INFORMATION RETRIEVAL TECHNIQUES
- 2. UNIT III : TEXT CLASSIFICATION AND CLUSTERING 1.A Characterization of Text Classification 2. Unsupervised Algorithms: Clustering 3. Naïve Text Classification 4. Supervised Algorithms 5. Decision Tree 6. k-NN Classifier 7. SVM Classifier 8. Feature Selection or Dimensionality Reduction 9. Evaluation metrics 10. Accuracy and Error 11. Organizing the classes 12. Indexing and Searching 13. Inverted Indexes 14. Sequential Searching 15. Multi-dimensional Indexing AALIM MUHAMMED SALEGH COLLEGE OF ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SEMESTER – VIII PROFESSIONAL ELECTIVE – IV CS8080- INFORMATION RETRIEVAL TECHNIQUES
- 3. ORGANIZING THE CLASSES AALIM MUHAMMED SALEGH COLLEGE OF ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SEMESTER – VIII PROFESSIONAL ELECTIVE – IV CS8080- INFORMATION RETRIEVAL TECHNIQUES
- 4. ORGANIZING THE CLASSES TAXONOMIES AALIM MUHAMMED SALEGH COLLEGE OF ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SEMESTER – VIII PROFESSIONAL ELECTIVE – IV CS8080- INFORMATION RETRIEVAL TECHNIQUES
- 5. ORGANIZING THE CLASSES TAXONOMIES AALIM MUHAMMED SALEGH COLLEGE OF ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SEMESTER – VIII PROFESSIONAL ELECTIVE – IV CS8080- INFORMATION RETRIEVAL TECHNIQUES
- 6. ORGANIZING THE CLASSES TAXONOMIES AALIM MUHAMMED SALEGH COLLEGE OF ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SEMESTER – VIII PROFESSIONAL ELECTIVE – IV CS8080- INFORMATION RETRIEVAL TECHNIQUES
- 7. ORGANIZING THE CLASSES TAXONOMIES AALIM MUHAMMED SALEGH COLLEGE OF ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SEMESTER – VIII PROFESSIONAL ELECTIVE – IV CS8080- INFORMATION RETRIEVAL TECHNIQUES
- 8. ORGANIZING THE CLASSES TAXONOMIES AALIM MUHAMMED SALEGH COLLEGE OF ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SEMESTER – VIII PROFESSIONAL ELECTIVE – IV CS8080- INFORMATION RETRIEVAL TECHNIQUES
- 9. Any Questions? AALIM MUHAMMED SALEGH COLLEGE OF ENGINEERING DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING SEMESTER – VIII PROFESSIONAL ELECTIVE – IV CS8080- INFORMATION RETRIEVAL TECHNIQUES