منابع مشابه
Answer Validation By Keyword Association
Answer validation is a component of question answering system, which selects reliable answer from answer candidates extracted by certain methods. In this paper, we propose an approach of answer validation based on the strengths of lexical association between the keywords extracted from a question sentence and each answer candidate. The proposed answer validation process is decomposed into two s...
متن کاملKeyword Spotting by Searching the Syllable Lattices
This paper presents a keyword spotting method based on searching a syllable lattice structure. The Mandarin syllables are represented in initial-final models. By one-stage dynamic programming, an utterance is converted into a sequence of topN-candidate syllables. It comes out a syllable lattice structure for this input utterance. A vocabulary of predefined keywords is represented as a set of sy...
متن کاملSummarizing Answer Graphs Induced by Keyword Queries
Keyword search has been popularly used to query graph data. Due to the lack of structure support, a keyword query might generate an excessive number of matches, referred to as “answer graphs”, that could include different relationships among keywords. An ignored yet important task is to group and summarize answer graphs that share similar structures and contents for better query interpretation ...
متن کاملKeyword Searching for Arabic Handwritten Documents
In this paper we present a system for searching keywords in Arabic handwritten and historical documents using two algorithms, Dynamic Time Warping (DTW) and Hidden Markov Models (HMM). The HMM based system provides satisfying results when it is possible to provide adequate training samples (which is not always possible in historical documents). The DTW algorithm with a slight modification provi...
متن کاملKeyword Searching in Compressed Document Images
A huge amount of document images are accessible in the Internet and digital libraries. We find that, most of them are packed in PDF files and are compressed using CCITT Group 4 standards for saving storage space and speeding up transmission. There is thus significant meaning to develop the methods of directly searching keywords from these documents. In this paper, we present a compressed patter...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: College & Research Libraries
سال: 1995
ISSN: 2150-6701,0010-0870
DOI: 10.5860/crl_56_03_199