. FOREWORD .......................................................... 1 Yoshiaki SHIRAI and Kenichiro ISHII Regular Section =============== PAPERS ====== [Algorithm and Computational Complexity] . Efficient Dynamic Job Scheduling Algorithms for Multiprocessor Systems ........................................................... 3 Saptarshi MAHESH, C.Siva Ram MURTHY and C.Pandu RANGAN . Complexity of Finding Alphabet Indexing .......................... 13 Shinichi SHIMOZONO and Satoru MIYANO [Software Systems] . Unification-Failure Filter for Natural Language .................. 19 Alfredo M.MAEDA, Hideto TOMABECHI and Jun-ichi AOE . Process Composition and Interleave Reduction in Parallel Process Specification .................................................... 27 Makoto TSUJIGADO, Teruo HIKITA and Jun GINBAYASHI [Image Processing, Computer Graphics and Pattern Recognition] . Calculation of Exact Statistics on Directional Data in the 2-D Space ......................................................... 37 Hajimu KAWAKAMI . A Segmentation Method for Sign Language Recognition .............. 49 Eiji OHIRA, Hirohiko SAGAWA, Tomoko SAKIYAMA and Masaru OHKI [Artificial Intelligence and Cognitive Science] . An Extended Centering Mechanism for Interpreting Pronouns and Zero-Pronouns .................................................... 58 Shingo TAKADA and Norihisa DOI . Automatic Alignment of Japanese-Chinese Bilingual Texts .......... 68 Chew Lim TAN and Makoto NAGAO [Bio-Cybernetics and Neurocomputing] . Detection of the K-Complex Using a New Method of Recognizing Waveform Based on the Discrete Wavelet Transform ................. 77 Zhengwei TANG and Naohiro ISHII LETTERS ======= [Algorithm and Computational Complexity] . On the Negation-Limited Circuit Complexity of Clique Functions ... 86 Tetsuro NISHINO and Keisuke TANAKA . On the Number of Negations Needed to Compute Parity Functions .... 90 Tetsuro NISHINO and Jaikumar RADHAKRISHNAN . ABSTRACTS (IEICE Trans., Vol.J78-D-I, J78-D-II, No.1 in Japanese) 92