Description : Define Information Retrieval (IR).
Last Answer : IR is the task of finding documents that are relevant to user’s need for information.
Description : The process of removing detail from a given state representation is called ______ a) Extraction b) Abstraction c) Information Retrieval d) Mining of data
Last Answer : b) Abstraction
Description : Choose form the following areas where NLP can be useful. a) Automatic Text Summarization b) Automatic Question-Answering Systems c) Information Retrieval d) All of the mentioned
Last Answer : d) All of the mentioned
Description : An expert system differs from a database program in that only an expert system _____________ a) contains declarative knowledge b) contains procedural knowledge c) features the retrieval of stored information d) expects users to draw their own conclusions
Last Answer : b) contains procedural knowledge
Description : What are the two data structures that make IR systems efficient?
Last Answer : i. Lexicon ii.Inverted Index
Description : What are the methods to do IR Refinements?
Last Answer : i. Case folding ii. Stemming iii. Recognize synonyms iv. Spelling correction v. Meta data
Description : What are the types of evaluation of IR systems?
Last Answer : i. Recall ii. Precision
Description : What are the characteristics of IR?
Last Answer : i. A document collection. ii. A query posed in a query language. iii. A result set iv. A presentation of the result set.
Description : What are the types of information extraction systems?
Last Answer : i. Attribute based system ii. Relational based system
Description : Define Information Extraction.
Last Answer : It is a process of creating database entries by skimming a text and looking for occurrences of a particular class of object.
Description : An omniscient agent knows the actual outcome of its actions and can act accordingly; but omniscience is impossible in reality. Rational Agent always does the right thing; but Rationality is possible in reality. a) True b) False
Last Answer : a) True
Description : Rational agent is the one who always does the right thing. a) True b) False
Description : Zero sum games are the one in which there are two agents whose actions must alternate and in which the utility values at the end of the game are always the same. a) True b) False
Last Answer : b) False
Description : What is the extraction of the meaning of utterance? a) Syntactic b) Semantic c) Pragmatic d) None of the mentioned
Last Answer : b) Semantic
Description : On equating the generic form of current density equation and the point form of Ohm’s law, we can obtain V=IR. State True/False. a) True b) False
Description : Write short notes on the following terms: 1. Information retrieval 2. E_banking -Technology
Last Answer : 1. Information retrieval It refers to the process of accessing the information that is stored on the Internet.2. E-banking It refers to the automated delivery of new and traditional banking products ... sharing common views and ideas that come together to meet and discuss topics of their interest.
Description : Information needed to develop, use or maintain computer hardware and software and to permit access and retrieval of data is known as: a) Software b) Documentation c) Operation of Hardware d) None of These
Last Answer : b) Documentation
Description : What are the uses of the Internet: a) Communication b) Information Retrieval c) Presentation of Information d) All of the Above
Last Answer : d) All of the Above
Description : The retrieval of information from the computer is defined as 1) collection of data 2) data retrieval operations 3) output 4) data output collection
Last Answer : 3) output
Description : Encryption is required to (i) protect business information from eavesdropping when it is transmitted on internet (ii)efficiently use the bandwidth available in PSTN (iii) to protect information stored in companies' databases from ... a. i and ii b. ii and iii c. iii and iv d. i and iv
Last Answer : d. i and iv
Description : Which of the following is not related to information security on the Internet? (A) Data Encryption (B) Water marking (C) Data Hiding (D) Information Retrieval
Last Answer : (D) Information Retrieval
Description : Which of the following is the appropriate definition of Information Technology? (A) Information Technology refers to the use of hardware and software for pr ocessing information (B) Information ... of principles of Physical sciences and Social sciences for processing of information of many kinds.
Last Answer : Answer: C
Description : There exists two way to infer using semantic networks in which knowledge is represented as Frames. 1) Intersection Search 2) Inheritance Search a) True b) False
Last Answer : 1) Intersection Search
Description : There are primarily two modes for an inference engine: forward chaining and backward chaining. a) True b) False
Description : There exist only two types of quantifiers, Universal Quantification and Existential Quantification. a) True b) False
Description : A genetic algorithm (or GA) is a variant of stochastic beam search in which successor states are generated by combining two parent states, rather than by modifying a single state. a) True b) False
Description : The main idea of Bidirectional search is to reduce the time complexity by searching two way simultaneously from start node and another from goal node. a) True b) False
Description : Speech Segmentation is a subtask of Speech Recognition. a) True b) False
Description : OCR (Optical Character Recognition) uses NLP. a) True b) False
Description : Natural Language generation is the main task of Natural language processing. a) True b) False
Description : Given a stream of text, Named Entity Recognition determines which pronoun maps to which noun. a) False b) True
Last Answer : a) False
Description : The more general task of coreference resolution also includes identifying so-called “bridging relationships” involving referring expressions. a) True b) False
Description : Modern NLP algorithms are based on machine learning, especially statistical machine learning. a) True b) False
Description : NLP is concerned with the interactions between computers and human (natural) languages. a) True b) False
Description : Decision Trees can be used for Classification Tasks. a) True b) False
Description : Decision Tree is a display of an algorithm. a) True b) False
Description : A perceptron adds up all the weighted inputs it receives, and if it exceeds a certain value, it outputs a 1, otherwise it just outputs a 0. a) True b) False c) Sometimes – it can also output intermediate values as well d) Can’t say
Description : Like relational databases there does exists fuzzy relational databases. a) True b) False
Description : Japanese were the first to utilize fuzzy logic practically on high-speed trains in Sendai. a) True b) False
Description : Fuzzy logic is extension of Crisp set with an extension of handling the concept of Partial Truth. a) True b) False
Description : Traditional set theory is also known as Crisp Set theory. a) True b) False
Description : The primitives in probabilistic reasoning are random variables. a) True b) False
Description : Using logic to represent and reason we can represent knowledge about the world with facts and rules. a) True b) False
Description : A re-planning agent uses execution monitoring and splices in repairs as needed. a) True b) False
Description : Conditional Plans allows the agent to sense the world during execution to decide what branch of plan to follow. a) True b) False
Description : Planning problem can be described as a propositional logic. a) True b) False
Description : Planning graphs works only for prepositional planning problems. a) True b) False
Description : What is meant by persistence actions? a) Allow a literal to remain false b) Allow a literal to remain true c) Allow a literal to remain false & true d) None of the mentioned
Last Answer : b) Allow a literal to remain true
Description : One the main drawback of this type of planning system is that it requires a lot of computational powers at each node. a) True b) False
Description : Sussman Anomaly illustrates a weakness of interleaved planning algorithm. a) True b) False