Information Retrival Techniques Set 6

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This set of Information Retrival Techniques Multiple Choice Questions & Answers (MCQs) focuses on Information Retrival Techniques Set 6

Q1 | In nearest neighbour case, the stored pattern closest to input pattern is recalled, where does it occurs?
  • feedback pattern classification
  • feedforward pattern classification
  • can be feedback or feedforward
  • none of the mentioned
Q2 | What is the field of Natural Language Processing (NLP)?
  • computer science
  • artificial intelligence
  • linguistics
  • all of the mentioned
Q3 | What is the main challenge/s of NLP?
  • handling ambiguity of sentences
  • handling tokenization
  • handling pos-tagging
  • all of the mentioned
Q4 | Choose form the following areas where NLP can be useful.
  • automatic text summarization
  • automatic question-answering systems
  • information retrieval
  • all of the mentioned
Q5 | Which of the following includes major tasks of NLP?
  • automatic summarization
  • discourse analysis
  • machine translation
  • all of the mentioned
Q6 | What is Coreference Resolution?
  • anaphora resolution
  • given a sentence or larger chunk of text, determine which words (“mentions”) refer to the same objects (“entities”)
  • all of the mentioned
  • none of the mentioned
Q7 | What is Machine Translation?
  • converts one human language to another
  • converts human language to machine language
  • converts any human language to english
  • converts machine language to human language
Q8 | What is Morphological Segmentation?
  • does discourse analysis
  • separate words into individual morphemes and identify the class of the morphemes
  • is an extension of propositional logic
  • none of the mentioned
Q9 | Which of the following clustering type has characteristic shown in the below figure?
  • partitional
  • hierarchical
  • naive bayes
  • none of the mentioned
Q10 | Point out the correct statement.
  • the choice of an appropriate metric will influence the shape of the clusters
  • hierarchical clustering is also called hca
  • in general, the merges and splits are determined in a greedy manner
  • all of the mentioned
Q11 | Which of the following is finally produced by Hierarchical Clustering?
  • final estimate of cluster centroids
  • tree showing how close things are to each other
  • assignment of each point to clusters
  • all of the mentioned
Q12 | Which of the following is required by K- means clustering?
  • defined distance metric
  • number of clusters
  • initial guess as to cluster centroids
  • all of the mentioned
Q13 | Point out the wrong statement.
  • k-means clustering is a method of vector quantization
  • k-means clustering aims to partition n observations into k clusters
  • k-nearest neighbor is same as k-means
  • none of the mentioned
Q14 | Which of the following combination is incorrect?
  • continuous – euclidean distance
  • continuous – correlation similarity
  • binary – manhattan distance
  • none of the mentioned
Q15 | Which of the following function is used for k-means clustering?
  • k-means
  • k-mean
  • heatmap
  • none of the mentioned
Q16 | Which of the following clustering requires merging approach?
  • partitional
  • hierarchical
  • naive bayes
  • none of the mentioned
Q17 | What is Machine learning?
  • the autonomous acquisition of knowledge through the use of computer programs
  • the autonomous acquisition of knowledge through the use of manual programs
  • the selective acquisition of knowledge through the use of computer programs
  • the selective acquisition of knowledge through the use of manual programs
Q18 | Which of the factors affect the performance of learner system does not include?
  • representation scheme used
  • training scenario
  • type of feedback
  • good data structures
Q19 | Different learning methods does not include?
  • memorization
  • analogy
  • deduction
  • introduction
Q20 | In language understanding, the levels of knowledge that does not include?
  • phonological
  • syntactic
  • empirical
  • logical
Q21 | A model of language consists of the categories which does not include?
  • language units
  • role structure of units
  • system constraints
  • structural units
Q22 | What is a top-down parser?
  • begins by hypothesizing a sentence (the symbol s) and successively predicting lower level constituents until individual preterminal symbols are written
  • begins by hypothesizing a sentence (the symbol s) and successively predicting upper level constituents until individual preterminal symbols are written
  • begins by hypothesizing lower level constituents and successively predicting a sentence (the symbol s)
  • begins by hypothesizing upper level constituents and successively predicting a sentence (the symbol s)
Q23 | Among the following which is not a horn clause?
  • p
  • Øp v q
  • p → q
  • p → Øq
Q24 | The action ‘STACK(A, B)’ of a robot arm specify to                                
  • place block b on block a
  • place blocks a, b on the table in that order
  • place blocks b, a on the table in that order
  • place block a on block b
Q25 | A                     is a decision support tool that uses a tree-like graph or model of decisions and their possible consequences, including chance event outcomes, resource costs, and utility.
  • decision tree
  • graphs
  • trees
  • neural networks