2019
DOI: 10.1177/1847979019890771
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Limitations of information extraction methods and techniques for heterogeneous unstructured big data

Abstract: During the recent era of big data, a huge volume of unstructured data are being produced in various forms of audio, video, images, text, and animation. Effective use of these unstructured big data is a laborious and tedious task. Information extraction (IE) systems help to extract useful information from this large variety of unstructured data. Several techniques and methods have been presented for IE from unstructured data. However, numerous studies conducted on IE from a variety of unstructured data are limi… Show more

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Cited by 72 publications
(93 citation statements)
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References 112 publications
(168 reference statements)
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“…The surveys [101], [115] cover the challenges of different types of unstructured data like images, text, audio, and video. The authors highlighted the unstructured data challenges such as the representation and conversion of the unstructured data into structured data, massive growth in its volume, and heterogeneous data types.…”
Section: Prior Researchmentioning
confidence: 99%
See 3 more Smart Citations
“…The surveys [101], [115] cover the challenges of different types of unstructured data like images, text, audio, and video. The authors highlighted the unstructured data challenges such as the representation and conversion of the unstructured data into structured data, massive growth in its volume, and heterogeneous data types.…”
Section: Prior Researchmentioning
confidence: 99%
“…Table 1. shows various applications domains for automatic information extraction from the unstructured documents [101], [21], [115].…”
Section: Introductionmentioning
confidence: 99%
See 2 more Smart Citations
“…As the major breakthrough for face detection, Viola-Jones [7] used the handcrafted features for cascading detection. There have already been lots of researches devoted to exploring the methods for extracting features effectively [8] and designing more complex handcrafted features or higher-efficiency cascade structure based on Viola-Jones detector.…”
Section: Introductionmentioning
confidence: 99%