Experimental results in both digital and mobile phone domains show that our approach performs quite well in these two different domains and achieves F-measures of 79.7%,86.9%,75.8% on the whole for three types of product named entities respectively.

• 实验表明；该系统在电子数码和手机领域均取得了令人满意的实验结果；对产品名实体、产品型号实体、产品品牌实体整体识别性能的F值分别为79.；7%25；86