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Abstract-Cross-lingual sentiment classification aims to perform sentiment classification in a language (named as the target language) with the help of the resources from another language (named as the source language). Previous studies are prone to using all available data in the source language while using all data is observed to perform no better or even worse than using a partion of good data. In this paper, we propose a novel task called data quality controlling in the source language to select high quality samples from the source language. To tackle this task, we propose two kinds of data quality measurements: intra-and extra-quality measurements which are implemented with the certainty and similarity measurements respectively. The empirical studies demonstrate the effectiveness of the proposed approach to data quality controlling in the source language.

As we move into the third decade of the World Wide Web (WWW), there has been a vast change in the availability of online information. Discovering information has never been more mechanized as of now, just a mouse click away. The objective of Opinion Mining can be achieved by executing a cluster of search results based on the features and quality for a given item. For rating the product and providing opinions, examination of customer evaluation is most significant-which is a challenging problem. Thus in the above context this paper attempts to discuss about the techniques and tools used by the opinion mining.

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