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Import2vec - Learning Embeddings for Software Libraries

arXiv.org Machine Learning

We consider the problem of developing suitable learning representations (embeddings) for library packages that capture semantic similarity among libraries. Such representations are known to improve the performance of downstream learning tasks (e.g. classification) or applications such as contextual search and analogical reasoning. We apply word embedding techniques from natural language processing (NLP) to train embeddings for library packages ("library vectors"). Library vectors represent libraries by similar context of use as determined by import statements present in source code. Experimental results obtained from training such embeddings on three large open source software corpora reveals that library vectors capture semantically meaningful relationships among software libraries, such as the relationship between frameworks and their plug-ins and libraries commonly used together within ecosystems such as big data infrastructure projects (in Java), front-end and back-end web development frameworks (in JavaScript) and data science toolkits (in Python).


Japan's trade deficit down 88% in fiscal 2015 on cheaper oil imports

The Japan Times

Japan's trade deficit in fiscal 2015 through March plunged 88.2 percent from a year earlier to 1.08 trillion ( 9.9 billion), helped largely by a fall in the cost of crude oil imports, the government said Wednesday. The value of exports fell 0.7 percent for the first decline in three years to 74.12 trillion, while that of imports dropped 10.3 percent to 75.20 trillion, the Finance Ministry said in a preliminary report. The value of crude oil imports plunged 37.9 percent as average oil prices dropped 45.2 percent from the previous year to 48.90 per barrel. Import values of liquefied natural gas decreased 41.4 percent. Crude oil prices have a major impact on the nation's trade balance as the country relies heavily on energy imports, especially after the March 2011 Fukushima nuclear disaster, with most of the country's commercial nuclear reactors remaining offline amid heightened public concern about their safety.


China to restrict imports of scrap steel and aluminum from July

The Japan Times

SHANGHAI - China will restrict imports of scrap steel and aluminum from July 1, the environment ministry said on Saturday. Scrap steel and aluminum would be moved from an unrestricted import list of solid waste products that are usable as raw materials to a restricted import list, the Ministry of Ecology and Environment said in a statement. Relevant departments were researching the formulation of standards for recycled copper and aluminum, it said. Copper and aluminum raw materials meeting relevant national standards would not be considered solid waste, and can be imported as regular goods, it said. China's imports of solid waste fell more than half between January and mid-November compared with the same period a year earlier, as the country tightened a ban on solid waste imports.


During phone call to U.S., Seko conveys Japan's concerns over metal imports tariffs plan

The Japan Times

SINGAPORE/NEW YORK/WASHINGTON – In telephone conversations Saturday, Trade Minister Hiroshige Seko conveyed strong concerns about planned U.S. tariffs on steel and aluminum imports to U.S. Commerce Secretary Wilbur Ross.


Japanese ¥100 chain Daiso slapped with fine, two-year import ban in Taiwan

The Japan Times

TAIPEI – Taiwan authorities said Wednesday that Japanese ¥100 shop chain Daiso has been fined 41.64 million New Taiwan dollars ($1.38 million) for falsifying import application documents and banned from importing goods from Japan for two years. Foreign Trade Bureau deputy chief Lee Guann-jyh told a legislative committee that the punishments have been meted out to Hiroshima-based Daiso Industries Co., which has been operating in Taiwan since 2001 and has about 60 stories here. In November 2015, Daiso received a six-month import ban for having illegally imported food products from parts of Japan affected by 2011 Fukushima nuclear disaster between July 2014 and March 2015, and selling them with falsified labels of origin. During that six-month period, Daiso could still import goods from Japan on a case-by-case basis after obtaining permission from the bureau. But in doing so, it falsified the dates of the imported goods, altering them to predate the six-month ban period that began in November 2015.