短語詞組短語Web data regions extraction Web 數(shù)據(jù)區(qū)域抽取data -extraction 信息提取data form extraction 數(shù)據(jù)格式提取incremental data extraction 增量抽取automated data extraction 數(shù)據(jù)自動抽出hardware data extraction 硬件數(shù)據(jù)萃取Sensor Data Extraction 傳感器數(shù)據(jù)提取web pages data extraction 網(wǎng)頁數(shù)據(jù)抽取data classification and extraction 數(shù)據(jù)分類和提取 返回 data extraction