Combining a self-organising map with memory-based learning Export

@misc{citeulike:566771, abstract = {Memory-based learning (MBL) has enjoyed considerable success in corpus-based natural language processing (NLP) tasks and is thus a reliable method of getting a high-level of performance when building corpus-based NLP systems. However there is a bottleneck in MBL whereby any novel testing item has to be compared against all the training items in memory base. For this reason there has been some interest in various forms of memory editing whereby some method of selecting a subset of the memory base is employed to reduce the number of comparisons. This paper investigates the use of a modified self-organising map (SOM) to select a subset of the memory items for comparison. This method involves reducing the number of comparisons to a value proportional to the square root of the number of training items. The method is tested on the identification of base noun-phrases in the Wall Street Journal corpus, using sections 15 to 18 for training and section 20 for testing.}, archivePrefix = {arXiv}, author = {Hammerton, James and Erik}, citeulike-article-id = {566771}, citeulike-linkout-0 = {http://arxiv.org/abs/cs/0107018}, citeulike-linkout-1 = {http://arxiv.org/pdf/cs/0107018}, eprint = {cs/0107018}, keywords = {connectionist, memory-based-learning, self-organising-map}, month = {Jul}, posted-at = {2006-03-28 13:43:46}, priority = {3}, title = {Combining a self-organising map with memory-based learning}, url = {http://arxiv.org/abs/cs/0107018}, year = {2001} }

TY - ELEC ID - citeulike:566771 L3 - citeulike-article-id:566771 N2 - Memory-based learning (MBL) has enjoyed considerable success in corpus-based natural language processing (NLP) tasks and is thus a reliable method of getting a high-level of performance when building corpus-based NLP systems. However there is a bottleneck in MBL whereby any novel testing item has to be compared against all the training items in memory base. For this reason there has been some interest in various forms of memory editing whereby some method of selecting a subset of the memory base is employed to reduce the number of comparisons. This paper investigates the use of a modified self-organising map (SOM) to select a subset of the memory items for comparison. This method involves reducing the number of comparisons to a value proportional to the square root of the number of training items. The method is tested on the identification of base noun-phrases in the Wall Street Journal corpus, using sections 15 to 18 for training and section 20 for testing. TI - Combining a self-organising map with memory-based learning KW - connectionist KW - memory-based-learning KW - self-organising-map AU - Hammerton, James AU - Erik PY - 2001/Jul/15/ UR - http://arxiv.org/abs/cs/0107018 ER -