Kazuhide Yamamoto

Twist expression promotes migration and invasion in hepatocellular carcinoma (2009)

Matsuo, Noriyuki, Shiraha, Hidenori, Fujikawa, Tatsuya, Takaoka, Nobuyuki, Ueda, Naoki, Tanaka, Shigetomi, ...

Abstract Background Twist, a transcription factor of the basic helix-loop-helix class, is reported to regulate cancer metastasis. It is known to induce epithelial-mesenchymal transition (EMT). In...

Immune Reactions Against Elongation Factor 2 Kinase: Specific Pathogenesis of Gastric Ulcer from Helicobacter pylori Infection (2009)

Kiyoshi Ayada, Kenji Yokota, Yoshiro Kawahara, Yumiko Yamamoto, Kazuyuki Hirai, Tomoki Inaba, ...

Helicobacter pylori (H. pylori) infection is a definite causative factor for gastric ulcers (GUs). In the present study we detected a specific antigen of gastric epithelial cells (HGC-27) using cell...

Hyaluronan receptors involved in cytokine induction in monocytes (2009)

Yamawaki, Hitoshi, Hirohata, Satoshi, Miyoshi, Toru, Takahashi, Katsuyuki, Ogawa, Hiroko, Shinohata, Ryoko, ...

During inflammation, lower molecular weight fragments of hyaluronan accumulate, and this is known to be inflammatory and immune-stimulatory. In diseases such as inflammatory bowel disease,...

Immune Reactions Against Elongation Factor 2 Kinase: Specific Pathogenesis of Gastric Ulcer from Helicobacter pylori Infection (2009)

Kiyoshi Ayada, Kenji Yokota, Yoshiro Kawahara, Yumiko Yamamoto, Kazuyuki Hirai, Tomoki Inaba, ...

Helicobacter pylori (H. pylori) infection is a definite causative factor for gastric ulcers (GUs). In the present study we detected a specific antigen of gastric epithelial cells (HGC-27) using cell...

Current Status of Autoimmune Hepatitis in Japan (2008)

Miyake, Yasuhiro, Yamamoto, Kazuhide

Autoimmune hepatitis (AIH) is a chronic and progressive disease characterized by histological interface hepatitis, hypergammaglobulinemia, and circulating autoantibodies. Multiple factors, including...

Source Language Effect on Translating Korean Honorifics (2008)

Kyonghee Paik, Kiyonori Ohtake, Francis Bond, Kazuhide Yamamoto

This paper investigates the effect of source language on translations using two variants of a Korean translation corpus. The sentences are translations of a bilingual travel corpus. The original...

Approach to Spoken Chinese Paraphrasing Based on Feature Extraction (2008)

Chengqing Zong, Yujie Zhang, Kazuhide Yamamoto

This paper presents an approach to spoken Chinese language paraphrasing based on feature extraction and techniques of language generation. In this approach, an input utterance is first analyzed in...

2004, ‘Interaction between paraphraser and transfer for spoken language translation (2008)

Kazuhide Yamamoto

One of the problems in spoken language translation is the enormous variety of expressions not found in text translation. This volume can lead to a sparse translation coverage. In order to tackle this...

Paraphrasing of Chinese Utterances (2008)

Yujie Zhang, Kazuhide Yamamoto

One of the key issues in spoken language translation is how to deal with unrestricted expressions in spontaneous utterances. This research is centered on the development of a Chinese paraphraser that...

Automated Acquisition of Case Frames with Case Order (2008)

Kiyonori Ohtake, Masahiko Nedu, Shigeru Masuyama, Kazuhide Yamamoto

This paper proposes a case transition network model to provide a framework for representing case order information in addition to a Japanese case frame. The model is regarded as an extension of...

Splitting Long or Ill-formed Input for Robust Spoken-language Translation (2007)

Osamu Furuse T, Setsuo Yamada, Kazuhide Yamamoto

This paper proposes an input-splitting method for translating spoken-language which includes many long or ill-formed expressions. The pro-posed method splits input into well-balanced translation...

2002. Corpusassisted expansion of manual MT knowledge (2007)

Setsuo Yamada, Kenji Imamura, Kazuhide Yamamoto

Since the expansion of MT knowledge is currently being performed by humans, it is taking too long and is too expensive. This paper proposes a new procedure that expands MT knowledge efficiently by...

Approach to Spoken Chinese Paraphrasing Based on Feature Extraction (2007)

Chengqing Zong, Yujie Zhang, Kazuhide Yamamoto

This paper presents an approach to spoken Chinese language paraphrasing based on feature extraction and techniques of language generation. In this approach, an input utterance is first analyzed in...

Automated Acquisition of Case Frames with Case Order (2007)

Kiyonori Ohtake, Masahiko Nedu, Shigeru Masuyama, Kazuhide Yamamoto

This paper proposes a case transition network model to provide a framework for representing case order information in addition to a Japanese case frame. The model is regarded as an extension of...

Construction of a Dictionary for Translating Japanese Phrases into One English Word (2007)

Satoshi Shirai, Kazuhide Yamamoto

In translation between languages that have different linguistic characteristics like Japanese and English, there are many cases in which contents are not correctly transmitted in the substitution...

Multiple Decision-Tree Strategy for Input-Error Robustness: A Simulation of Tree Combinations (2007)

Kazuhide Yamamoto, Eiichiro Sumita

This paper illustrates the characteristics of the multiple decision-tree (MDT) model, which we proposed in a previous work. MDT is an extension of the decision-tree model and is proposed for its...

Construction of a Dictionary for Translating Japanese Phrases into One English Word (2007)

Satoshi Shirai, Kazuhide Yamamoto, Kazutaka Takao

In translation between languages that have different linguistic characteristics like Japanese and English, there are many cases in which contents are not correctly transmitted in the substitution...

Applicability Analysis of Corpus-derived Paraphrases toward Example-based Paraphrasing (2007)

Kiyonori Ohtake, Kazuhide Yamamoto

Two kinds of paraphrases extracted from a bilingual parallel corpus were analyzed.

Source Language Effect on Translating Korean Honorifics (2007)

Kyonghee Paik, Kiyonori Ohtake, Francis Bond, Kazuhide Yamamoto

Abstract. This paper investigates honorific phenomena on two variants of Korean translation corpus, based on translations from Japanese and English. One surprising result is how different the corpora...

PoGOLite - A High Sensitivity Balloon-Borne Soft Gamma-ray Polarimeter (2007)

Kamae, Tuneyoshi, Andersson, Viktor, Arimoto, Makoto, Axelsson, Magnus, Bettolo, Cecilia Marini, Björnsson, Claes-Ingvar, ...

We describe a new balloon-borne instrument (PoGOLite) capable of detecting 10% polarisation from 200mCrab point-like sources between 25 and 80keV in one 6 hour flight. Polarisation measurements in...

Primary Sclerosing Cholangitis in Japanese Patients: Association with Inflammatory Bowel Disease (2007)

Okada, Hiroyuki, Mizuno, Motowo, Yamamoto, Kazuhide, Tsuji, Takao

To characterize primary sclerosing cholangitis (PSC) in Japanese patients and its association with inflammatory bowel disease (IBD), 155 reported cases of PSC, including 6 cases of our own, were...

Phalloidin-induced alterations of bile canaliculi. (2007)

Yamamoto, Kazuhide, Makino, Yasuhiro, Itoshima, Tatsuya, Kobayashi, Toshinari, Tsuji, Takao

Phalloidin, a toxin from the plant Amanita phalloides, irreversibly polymerizes actin filaments and causes cholestasis. Three-dimensional structural changes induced by phalloidin in the bile...

Three-dimensional arrangement of ductular structures formed by oval cells during hepatocarcinogenesis. (2007)

Makino, Yasuhiro, Yamamoto, Kazuhide, Tsuji, Takao

The three-dimensional arrangement of ductular structures formed by oval cells in rats fed 2-acetylaminofluorene (2-AAF) was studied by scanning electron microscopy (SEM) of biliary tract casts and...

Opinion Extraction based on Syntactic Pieces (2007)

Aoki, Suguru, Yamamoto, Kazuhide

PACLIC 21 / Seoul National University, Seoul, Korea / November 1-3, 2007

Mutations in the hepatitis B virus preS2 region and abrogated receptor activity for polymerized human albumin. (2006)

Kondo, Junichi, Shimomura, Hiroyuki, Fujioka, Shin-ichi, Iwasaki, Yoshiaki, Takagi, Shinjiro, Ohnishi, Yasuhiro, ...

The preS2 region of the hepatitis B virus (HBV) has been reported to have human polymerized albumin receptor (PAR) activity, which correlates with viral replication. Here, we studied the genomic...

Identification of a target antigen recognized by a mouse monoclonal antibody to the bile canalicular surface of rat hepatocytes with a random phage display library. (2006)

Ariyoshi, Masanori, MIzuno, Motowo, Morisue, Yoshiko, Shimada, Morizou, Fujita, Shirou, Nasu, Junichirou, ...

We developed a monoclonal antibody (MoAb) (clone 5E8) against an antigen on the bile canalicular membrane of rat hepatocyte. By immunoblotting, MoAb 5E8 detected a band of 110 kD. In this study, we...

Improvements in the measurement of stool decay-accelerating factor in the detection of colorectal cancer. (2006)

Ohya, Shogen, Mizuno, Motowo, Kawada, Mikihiro, Nasu, Junichirou, Okada, Hiroyuki, Shimomura, Hiroyuki, ...

We have previously developed an enzyme-linked immunosorbent assay (ELISA) to measure stool decay-accelerating factor (DAF) and found that stool DAF concentrations were significantly elevated in...

Development of syngeneic monoclonal anti-idiotype antibodies to mouse monoclonal anti-asialoglycoprotein receptor antibody. (2006)

Hirai, Michio, Mizuno, Motowo, Morisue, Yoshiko, Yoshioka, Masao, Shimada, Morizou, Nasu, Junichirou, ...

Anti-idiotype antibodies (Ab2) play an important role in the homeostasis of immune responses and are related to the development and the disease activity of certain autoimmune diseases. The...

Anti-asialoglycoprotein receptor autoantibodies, detected by a capture-immunoassay, are associated with autoimmune liver diseases. (2006)

Yoshioka, Masao, Mizuno, Motowo, Morisue, Yoshiko, Shimada, Morizou, Hirai, Michio, Nasu, Junichirou, ...

In autoimmune chronic active hepatitis (AIH) and primary biliary cirrhosis (PBC), various autoantibodies including anti-asialoglycoprotein receptor (ASGPR) antibodies have been found in patients'...

A Clustered Global Phrase Reordering Model for Statistical Machine Translation (2006)

Masaaki Nagata, Kuniko Saito, Kazuhide Yamamoto, Kazuteru Ohashi

In this paper, we present a novel global reordering model that can be incorporated into standard phrase-based statistical machine translation. Unlike previous local reordering models that emphasize...

A Clustered Global Phrase Reordering Model for Statistical Machine Translation (2006)

Masaaki Nagata, Kuniko Saito, Kazuhide Yamamoto, Kazuteru Ohashi

In this paper, we present a novel global reordering model that can be incorporated into standard phrase-based statistical machine translation. Unlike previous local reordering models that emphasize...

A Clustered Global Phrase Reordering Model for Statistical Machine Translation (2006)

Masaaki Nagata, Kuniko Saito, Kazuhide Yamamoto, Kazuteru Ohashi

In this paper, we present a novel global reordering model that can be incorporated into standard phrase-based statistical machine translation. Unlike previous local reordering models that emphasize...

A Comparison of Two Variant Corpora: The Same Content with Different Sources (2004)

Kyonghee Paik, Kiyonori Ohtake, Kazuhide Yamamoto

In order to investigate the effect of source language on translations, we investigate two variants of a Korean translation corpus. The first variant consists of Korean translations of 162,308...

Newscast speech summarization via sentence shortening based on prosodic features (2003)

Kiyonori Ohtake, Kazuhide Yamamoto, Yuji Toma, Shiro Sado, Shigeru Masuyama, Seiichi Nakagawa

This paper presents a speech summarizer that summarizes input speech via several prosodic features, unlike models that use a speech recognizer and conventional summarizing techniques proposed in...

Newscast speech summarization via sentence shortening based on prosodic features (2003)

Kiyonori Ohtake, Kazuhide Yamamoto, Yuji Toma, Shiro Sado, Shigeru Masuyama, Seiichi Nakagawa

This paper presents a speech summarizer that summarizes input speech via several prosodic features, unlike models that use a speech recognizer and conventional summarizing techniques proposed in...

Machine Translation by Interaction between Paraphraser and Transfer (2002)

Kazuhide Yamamoto

A machine translation model has been proposed where an input is translated through both source-language and target-language paraphrasing processes. We have implemented our prototype model for the...

Machine Translation by Interaction between Paraphraser and Transfer (2002)

Kazuhide Yamamoto

A machine translation model has been proposed where an input is translated through both source-language and target-language paraphrasing processes. We have implemented our prototype model for the...

Overlapping constraints of two step selection to generate a transfer dictionary (2001)

Satoshi Shirai, Kazuhide Yamamoto, Kyonghee Paik

Any machine translation system requires a transfer dictionary between the source and target languages. Typically, since the construction of such a dictionary is done by hand, a lot of time is taken...

Overlapping constraints of two step selection to generate a transfer dictionary (2001)

Satoshi Shirai, Kazuhide Yamamoto, Kyonghee Paik

Any machine translation system requires a transfer dictionary between the source and target languages. Typically, since the construction of such a dictionary is done by hand, a lot of time is taken...

Sandglass: Twin paraphrasing spoken language translation (2001)

Kazuhide Yamamoto, Satoshi Shirai, Masashi Sakamoto, Yujie Zhang

This paper proposes a new machine translation design that is the core architecture in an on-going project named Sandglass.TheSandglass system places special emphasis on monolingual processing and is...

Linking English words in two bilingual dictionaries to generate another language pair dictionary (2001)

Satoshi Shirai, Kazuhide Yamamoto

In developing a machine translation system, one of the difficult tasks is how to build a transfer dictionary.It has been built by human labor from scratch in most cases. This approach, however, is...

Linking English words in two bilingual dictionaries to generate another language pair dictionary (2001)

Satoshi Shirai, Kazuhide Yamamoto

In developing a machine translation system, one of the difficult tasks is how to build a transfer dictionary. It has been built by human labor from scratch in most cases. This approach, however, is...

Solutions to problems inherent in spoken-language translation: The atr-matrix approach (1999)

Eiichiro Sumita, Setsuo Yamada, Kazuhide Yamamoto, Michael Paul, Hideki Kashioka, Kai Ishikawa, ...

ATR has built a multi-language speech trans-lation system called ATR-MATRIX. It con-sists of a spoken-language translation sub-system, which is the focus of this paper, to-gether with a highly...

Corpus-based anaphora resolution towards antecedent preference (1999)

Michael Paul, Kazuhide Yamamoto, Eiichiro Sumita

In this paper we propose a corpus-based approach to anaphora resolution combin-ing a machine learning method and sta-tistical information. First, a decision tree trained on an annotated corpus...

Multiple decision-tree strategy for error-tolerant ellipsis resolution (1999)

Kazuhide Yamamoto, Eiichiro Sumita

A new approach to robust ellipsis resolution for spoken-language translation is proposed. The strategy consists of a multiple decision-tree (MDT) model and a preference strategy. The proposed MDT...

Solutions to problems inherent in spoken-language translation: The atr-matrix approach (1999)

Eiichiro Sumita, Setsuo Yamada, Kazuhide Yamamoto, Michael Paul, Hideki Kashioka, Kai Ishikawa, ...

ATR has built a multi-language speech translation system called ATR-MATRIX. It consists of a spoken-language translation subsystem, which is the focus of this paper, together with a highly accurate...

Identifying translations of compound nouns using non-aligned corpora (1999)

Iram Shahzad, Kiyonori Ohtake, Shigeru Masuyama, Kazuhide Yamamoto

A compound noun and its translation do not always have a correspondence with each other in part-by-part basis. Therefore, there are cases where utilizing the translations of the constituent words for...

Corpus-based anaphora resolution towards antecedent preference (1999)

Michael Paul, Kazuhide Yamamoto, Eiichiro Sumita

In this paper we propose a corpus-based approach to anaphora resolution combining a machine learning method and statistical information. First, a decision tree trained on an annotated corpus...

Splitting Long or Ill-formed Input for Robust Spokenlanguage Translation. COLING-ACL (1998)

Osamu Furuse, Setsuo Yamada, Kazuhide Yamamoto

This paper proposes an input-splitting method for translating spoken-language which includes many long or ill-formed expressions. The proposed method splits input into well-balanced translation units...

Natural Language Processing Pacific Rim Symposium '95 An Empirical Study on Summarizing Multiple Texts of Japanese Newspaper Articles

Kazuhide Yamamoto, Shigeru Masuyama

In this paper, we attempt to summarize multiple Japanese articles into one document with non-parsing approach. We mention deletions of the overlapped part among the input texts. Japanese grammar is...

Natural Language Processing Pacific Rim Symposium '95 Automatic Text Classification Method with Simple Class-Weighting Approach

Kazuhide Yamamoto, Shigeru Masuyama

This paper proposes an automatic text classification method using classweighting, or group-of-term-weighting approach as an extension of termweighting approach to consider change in wording. As a...

Virulent Strain of Hepatitis E Virus Genotype 3, Japan

Takahashi, Kazuaki, Okamoto, Hiroaki, Abe, Natsumi, Kawakami, Manri, Matsuda, Hiroyuki, Mochida, Satoshi, ...

Virulence may be associated with mutation of the helicase domain (V239A), and source of the human infection may be swine.

Immune Reactions Against Elongation Factor 2 Kinase: Specific Pathogenesis of Gastric Ulcer from Helicobacter pylori Infection

Ayada, Kiyoshi, Yokota, Kenji, Kawahara, Yoshiro, Yamamoto, Yumiko, Hirai, Kazuyuki, Inaba, Tomoki, ...

Helicobacter pylori (H. pylori) infection is a definite causative factor for gastric ulcers (GUs). In the present study we detected a specific antigen of gastric epithelial cells (HGC-27) using cell...

CO2 insufflation for potentially difficult colonoscopies: Efficacy when used by less experienced colonoscopists

Uraoka, Toshio, Kato, Jun, Kuriyama, Motoaki, Hori, Keisuke, Ishikawa, Shin, Harada, Keita, ...

AIM: To clarify the effectiveness of CO2 insufflation in potentially difficult colonoscopy cases, particularly in relation to the experience level of colonoscopists.

Submucosal injection solution for gastrointestinal tract endoscopic mucosal resection and endoscopic submucosal dissection

Uraoka, Toshio, Saito, Yutaka, Yamamoto, Kazuhide, Fujii, Takahiro

Endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD) have provided new alternatives for minimally invasive treatment of gastrointestinal adenomas and early-stage cancers that...