2013
102Rule-based support system for multiple UMLS semantic type assignments. James Geller, Zhe He, Yehoshua Perl, C. Paul Morrey, Julia Xu. Journal of Biomedical Informatics (46): 97-110 (2013). Web SearchBibTeXDownload
2012
101A chemical specialty semantic network for the Unified Medical Language System. C. Paul Morrey, Yehoshua Perl, Michael Halper, Ling Chen, Huanying Gu. J. Cheminformatics (4): 9 (2012). Web SearchBibTeXDownload
100Auditing complex concepts of SNOMED using a refined hierarchical abstraction network. Yue Wang, Michael Halper, Duo Wei, Huanying Gu, Yehoshua Perl, Junchuan Xu, Gai Elhanan, Yan Chen, Kent A. Spackman, James T. Case, George Hripcsak. Journal of Biomedical Informatics (45): 1-14 (2012). Web SearchBibTeXDownload
99A study of terminology auditors' performance for UMLS semantic type assignments. Huanying Gu, Gai Elhanan, Yehoshua Perl, George Hripcsak, James J. Cimino, Julia Xu, Yan Chen, James Geller, C. Paul Morrey. Journal of Biomedical Informatics (45): 1042-1048 (2012). Web SearchBibTeXDownload
98Overcoming an obstacle in expanding a UMLS semantic type extent. Yan Chen, Huanying Gu, Yehoshua Perl, James Geller. Journal of Biomedical Informatics (45): 61-70 (2012). Web SearchBibTeXDownload
97Abstraction of complex concepts with a refined partial-area taxonomy of SNOMED. Yue Wang, Michael Halper, Duo Wei, Yehoshua Perl, James Geller. Journal of Biomedical Informatics (45): 15-29 (2012). Web SearchBibTeXDownload
96Clinical clarity versus terminological order: the readiness of SNOMED CT concept descriptors for primary care. Zhe He, Michael Halper, Yehoshua Perl, Gai Elhanan. MIX-HS 2012, 1-6. Web SearchBibTeXDownload
2011
95Resolution of redundant semantic type assignments for organic chemicals in the UMLS. C. Paul Morrey, Ling Chen, Michael Halper, Yehoshua Perl. Artificial Intelligence in Medicine (52): 141-151 (2011). Web SearchBibTeXDownload
94Scalability of Piecewise Synonym Identification in Integration of SNOMED into the UMLS. Kuo-Chuan Huang, James Geller, Michael Halper, Gai Elhanan, Yehoshua Perl. IJCMAM (2): 26-45 (2011). Web SearchBibTeXDownload
93A survey of SNOMED CT direct users, 2010: impressions and preferences regarding content and quality. Gai Elhanan, Yehoshua Perl, James Geller. JAMIA (18): 36-44 (2011). Web SearchBibTeXDownload
2010
92Source authenticity in the UMLS - A case study of the Minimal Standard Terminology. Gai Elhanan, Kuo-Chuan Huang, Yehoshua Perl. Journal of Biomedical Informatics (43): 988-997 (2010). Web SearchBibTeXDownload
2009
91Using WordNet synonym substitution to enhance UMLS source integration. Kuo-Chuan Huang, James Geller, Michael Halper, Yehoshua Perl, Junchuan Xu. Artificial Intelligence in Medicine (46): 97-109 (2009). Web SearchBibTeXDownload
90Research Paper: Modeling Multi-typed Structurally Viewed Chemicals with the UMLS Refined Semantic Network. Ling Chen, C. Paul Morrey, Huanying Gu, Michael Halper, Yehoshua Perl. JAMIA (16): 116-131 (2009). Web SearchBibTeXDownload
89Research Paper: Expanding the Extent of a UMLS Semantic Type via Group Neighborhood Auditing. Yan Chen, Huanying Gu, Yehoshua Perl, Michael Halper, Junchuan Xu. JAMIA (16): 746-757 (2009). Web SearchBibTeXDownload
88Structural group-based auditing of missing hierarchical relationships in UMLS. Yan Chen, Huanying Helen Gu, Yehoshua Perl, James Geller. Journal of Biomedical Informatics (42): 452-467 (2009). Web SearchBibTeXDownload
87Structural group auditing of a UMLS semantic type's extent. Yan Chen, Huanying Gu, Yehoshua Perl, James Geller, Michael Halper. Journal of Biomedical Informatics (42): 41-52 (2009). Web SearchBibTeXDownload
86Special Issue on Auditing of Terminologies. James Geller, Yehoshua Perl, Michael Halper, Ronald Cornet. Journal of Biomedical Informatics (42): 407-411 (2009). Web SearchBibTeXDownload
85The Neighborhood Auditing Tool: A hybrid interface for auditing the UMLS. C. Paul Morrey, James Geller, Michael Halper, Yehoshua Perl. Journal of Biomedical Informatics (42): 468-489 (2009). Web SearchBibTeXDownload
2008
84Comparing and consolidating two heuristic metaschemas. Yan Chen, Yehoshua Perl, James Geller, George Hripcsak, Li Zhang. Journal of Biomedical Informatics (41): 293-317 (2008). Web SearchBibTeXDownload
83Automated comparative auditing of NCIT genomic roles using NCBI. Barry Cohen, Marc Oren, Hua Min, Yehoshua Perl, Michael Halper. Journal of Biomedical Informatics (41): 904-913 (2008). Web SearchBibTeXDownload
2007
82Ownership as a conceptual modeling construct. Michael Halper, Li-min Liu, James Geller, Yehoshua Perl. Data Knowl. Eng. (62): 248-273 (2007). Web SearchBibTeXDownload
81Analysis of a Study of the Users, Uses, and Future Agenda of the UMLS. Yan Chen, Yehoshua Perl, James Geller, James J. Cimino. JAMIA (14): 221-231 (2007). Web SearchBibTeXDownload
80Structural methodologies for auditing SNOMED. Yue Wang, Michael Halper, Hua Min, Yehoshua Perl, Yan Chen, Kent A. Spackman. Journal of Biomedical Informatics (40): 561-581 (2007). Web SearchBibTeXDownload
2006
79An Application Intersection Marketing Ontology. Xuan Zhou, James Geller, Yehoshua Perl, Michael Halper. Essays in Memory of Shimon Even 2006, 143-163. Web SearchBibTeXDownload
78Research Paper: Auditing as Part of the Terminology Design Life Cycle. Hua Min, Yehoshua Perl, Yan Chen, Michael Halper, James Geller, Yue Wang. JAMIA (13): 676-690 (2006). Web SearchBibTeXDownload
2005
77An expert study evaluating the UMLS lexical metaschema. Li Zhang, George Hripcsak, Yehoshua Perl, Michael Halper, James Geller. Artificial Intelligence in Medicine (34): 219-233 (2005). Web SearchBibTeXDownload
76A lexical metaschema for the UMLS semantic network. Li Zhang, Yehoshua Perl, Michael Halper, James Geller, George Hripcsak. Artificial Intelligence in Medicine (33): 41-59 (2005). Web SearchBibTeXDownload
75Model Formulation: Relationship Structures and Semantic Type Assignments of the UMLS Enriched Semantic Network. Li Zhang, Michael Halper, Yehoshua Perl, James Geller, James J. Cimino. JAMIA (12): 657-666 (2005). Web SearchBibTeXDownload
2004
74Auditing concept categorizations in the UMLS. Huanying Gu, Yehoshua Perl, Gai Elhanan, Hua Min, Li Zhang, Yi Peng. Artificial Intelligence in Medicine (31): 29-44 (2004). Web SearchBibTeXDownload
73Model Formulation: An Enriched Unified Medical Language System Semantic Network with a Multiple Subsumption Hierarchy. Li Zhang, Yehoshua Perl, Michael Halper, James Geller, James J. Cimino. JAMIA (11): 195-206 (2004). Web SearchBibTeXDownload
72Editorial: Ontology Challenges: A Thumbnail Historical Perspective. James Geller, Yehoshua Perl, Jintae Lee. Knowl. Inf. Syst. (6): 375-379 (2004). Web SearchBibTeXDownload
71Contextual Partitioning for Comprehension of OODB Schemas. Huanying Gu, Yehoshua Perl, Michael Halper, James Geller, Erich J. Neuhold. Knowl. Inf. Syst. (6): 315-344 (2004). Web SearchBibTeXDownload
2003
70Enhancing OODB semantics to support browsing in an OODB vocabulary representation. Li-min Liu, James Geller, Yehoshua Perl. Concurrency and Computation: Practice and Experience (15): 845-869 (2003). Web SearchBibTeXDownload
69Frameworks for incorporating semantic relationships into object-oriented database systems. Michael Halper, Li-min Liu, James Geller, Yehoshua Perl. Concurrency and Computation: Practice and Experience (15): 1337-1362 (2003). Web SearchBibTeXDownload
68Semantic refinement and error correction in large terminological knowledge bases. James Geller, Huanying Gu, Yehoshua Perl, Michael Halper. Data Knowl. Eng. (45): 1-32 (2003). Web SearchBibTeX
67Designing metaschemas for the UMLS enriched semantic network. Li Zhang, Yehoshua Perl, Michael Halper, James Geller. Journal of Biomedical Informatics (36): 433-449 (2003). Web SearchBibTeXDownload
66Research on structural issues of the UMLS - past, present, and future. Yehoshua Perl, James Geller. Journal of Biomedical Informatics (36): 409-413 (2003). Web SearchBibTeXDownload
65Consistency across the hierarchies of the UMLS Semantic Network and Metathesaurus. James J. Cimino, Hua Min, Yehoshua Perl. Journal of Biomedical Informatics (36): 450-461 (2003). Web SearchBibTeXDownload
2002
64Evaluation and application of a semantic network partition. James Geller, Yehoshua Perl, Michael Halper, Zong Chen, Huanying Gu. IEEE Transactions on Information Technology in Biomedicine (6): 109-115 (2002). Web SearchBibTeXDownload
63Partitioning the UMLS semantic network. Zong Chen, Yehoshua Perl, Michael Halper, James Geller, Huanying Gu. IEEE Transactions on Information Technology in Biomedicine (6): 102-108 (2002). Web SearchBibTeXDownload
62Using OODB Modeling to Partition a Vocabulary in Structurally and Semantically Uniform Concept Groups. Li-min Liu, Michael Halper, James Geller, Yehoshua Perl. IEEE Trans. Knowl. Data Eng. (14): 850-866 (2002). Web SearchBibTeXDownload
61The cohesive metaschema: a higher-level abstraction of the UMLS Semantic Network. Yehoshua Perl, Zong Chen, Michael Halper, James Geller, Li Zhang, Yi Peng. Journal of Biomedical Informatics (35): 194-212 (2002). Web SearchBibTeXDownload
2001
60The Importance of Ownership for E-Commerce. James Geller, Yehoshua Perl, Li-min Liu, C. Rush, Michael Halper. DS-9 2001, 311-326. Web SearchBibTeX
2000
59Research Paper: Representing the UMLS as an Object-oriented Database: Modeling Issues and Advantages. Huanying Gu, Yehoshua Perl, James Geller, Michael Halper, Li-min Liu, James J. Cimino. JAMIA (7): 66-80 (2000). Web SearchBibTeXDownload
1999
58A methodology for partitioning a vocabulary hierarchy into trees. Huanying Gu, Yehoshua Perl, James Geller, Michael Halper, Mansnimar Singh. Artificial Intelligence in Medicine (15): 77-98 (1999). Web SearchBibTeXDownload
57Controlled Vocabularies in OODBs: Modeling Issues and Implementation. Li-min Liu, Michael Halper, James Geller, Yehoshua Perl. Distributed and Parallel Databases (7): 37-65 (1999). Web SearchBibTeXDownload
56Model Formulation: Benefits of an Object-oriented Database Representation for Controlled Medical Terminologies. Huanying Gu, Michael Halper, James Geller, Yehoshua Perl. JAMIA (6): 283-303 (1999). Web SearchBibTeXDownload
1998
55An OODB Part-Whole Model: Semantics, Notation and Implementation. Michael Halper, James Geller, Yehoshua Perl. Data Knowl. Eng. (27): 59-95 (1998). Web SearchBibTeXDownload
54The New Class of g-Chain Periodic Sorters. Ronald I. Becker, David Nassimi, Yehoshua Perl. J. Parallel Distrib. Comput. (54): 206-222 (1998). Web SearchBibTeXDownload
53The OODB Path-Method Generator (PMG) Using Access Weights and Precomputed Access Relevance. Ashish Mehta, James Geller, Yehoshua Perl, Erich J. Neuhold. VLDB J. (7): 25-47 (1998). Web SearchBibTeXDownload
1996
52Modeling a Vocabulary in an Object-Oriented Database. Li-min Liu, Michael Halper, Huanying Gu, James Geller, Yehoshua Perl. CIKM 1996, 179-188. Web SearchBibTeXDownload
51Identifying a Forest Hierarchy in an OODB Specification Hierarchy Satisfying Disciplined Modeling. Yehoshua Perl, James Geller, Huanying Gu. CoopIS 1996, 182-195. Web SearchBibTeXDownload
50Computing Access Relevance for Path-Method Generation in OODBs and IM-OODB. Ashid Metha, James Geller, Yehoshua Perl, Peter Fankhauser. J. Intell. Inf. Syst. (7): 75-100 (1996). Web SearchBibTeXDownload
1995
49The Shifting Algorithm Technique for the Partitioning of Trees. Ronald I. Becker, Yehoshua Perl. Discrete Applied Mathematics (62): 15-34 (1995). Web SearchBibTeXDownload
1994
48Integrating a Part Relationship Into an Open OODB System Using Metaclasses. Michael Halper, James Geller, Yehoshua Perl, Wolfgang Klas. CIKM 1994, 10-17. Web SearchBibTeXDownload
47The Generalized Class of g-Chaln Periodic Sorting Networks. David Nassimi, Yehoshua Perl, Ronald I. Becker. IPPS 1994, 424-432. Web SearchBibTeX
46The OODB Ownership Relationship. Oscar Yang, Michael Halper, James Geller, Yehoshua Perl. OOIS 1994, 278-291. Web SearchBibTeX
1993
45The OODB Path-Method Generator (PMG) Using Precomputed Access Relevance. Ashish Mehta, James Geller, Yehoshua Perl, Erich J. Neuhold. CIKM 1993, 596-605. Web SearchBibTeXDownload
44Value Propagation in Object-Oriented Database Part Hierarchies. Michael Halper, James Geller, Yehoshua Perl. CIKM 1993, 606-614. Web SearchBibTeXDownload
43A Shifting Algorithm for Constrained min-max Partition on Trees. Eliezer Agasi, Ronald I. Becker, Yehoshua Perl. Discrete Applied Mathematics (45): 1-28 (1993). Web SearchBibTeXDownload
42Most Uniform Path Partitioning and its Use in Image Processing. Mario Lucertini, Yehoshua Perl, Bruno Simeone. Discrete Applied Mathematics (42): 227-256 (1993). Web SearchBibTeXDownload
41Structural integration: Concepts and case study. James Geller, Yehoshua Perl, Philip Cannata, Amit P. Sheth, Erich J. Neuhold. Journal of Systems Integration (3): 133-161 (1993). Cited by 2Web SearchBibTeXDownload
40Computing Access Relevance to Support Path-Method Generation in Interoperable Multi-OODB. Ashish Mehta, James Geller, Yehoshua Perl, Peter Fankhauser. RIDE-IMS 1993, 144-151. Web SearchBibTeXDownload
39The New Class of g-Chain Periodic Sorters. Ronald I. Becker, David Nassimi, Yehoshua Perl. SPAA 1993, 356-364. Web SearchBibTeXDownload
1992
38"Part" Relations for Object-Oriented Databases. Michael Halper, James Geller, Yehoshua Perl. ER 1992, 406-422. Web SearchBibTeXDownload
37A Graphical Schema Representation for Object-Oriented Databases. Michael Halper, James Geller, Yehoshua Perl, Erich J. Neuhold. IDS 1992, 282-307. Web SearchBibTeX
36Arithmetic Interpolation Search for Alphabetic Tables. Yehoshua Perl, Loizos Gabriel. IEEE Trans. Computers (41): 493-499 (1992). Web SearchBibTeXDownload
35Structural schema integration with full and partial correspondence using the Dual Model. James Geller, Yehoshua Perl, Erich J. Neuhold, Amit P. Sheth. Inf. Syst. (17): 443-464 (1992). Cited by 27Web SearchBibTeXDownload
1991
34The Cascading of the {LZW} Compression Algorithm with Arithmetic Coding. Yehoshua Perl, V. Maram, N. Kadakuntla. Data Compression Conference 1991, 277-286. Web SearchBibTeXDownload
33Structural Schema Integration in Heterogeneous Multi-Database Systems using the Dual Model. James Geller, Yehoshua Perl, Erich J. Neuhold. RIDE-IMS 1991, 200-203. Web SearchBibTeX
32Structure and Semantics in OODB Class Specifications. James Geller, Yehoshua Perl, Erich J. Neuhold. SIGMOD Record (20): 40-43 (1991). Web SearchBibTeXDownload
1990
31Best location of service centers in a treelike network under budget constraints. James McHugh, Yehoshua Perl. Discrete Mathematics (86): 199-214 (1990). Web SearchBibTeXDownload
30A Theoretical Underlying Dual Model for Knowledge-Based Systems. Erich J. Neuhold, James Geller, Yehoshua Perl, Volker Turau. ICSI 1990, 96-103. Web SearchBibTeX
1989
29Better understanding of batcher's merging networks. Yehoshua Perl. Discrete Applied Mathematics (25): 257-271 (1989). Web SearchBibTeXDownload
28Cascading LZW Algorithm with Huffman Coding: A Variable to Variable Length Compression Algorithm. Yehoshua Perl, Ashish Mehta. Great Lakes Computer Science Conference 1989, 170-178. Web SearchBibTeXDownload
27The periodic balanced sorting network. Martin Dowd, Yehoshua Perl, Larry Rudolph, Michael E. Saks. J. ACM (36): 738-757 (1989). Web SearchBibTeXDownload
26Image enhancement by path partitioning. Mario Lucertini, Yehoshua Perl, Bruno Simeone. Recent Issues in Pattern Analysis and Recognition 1989, 12-22. Web SearchBibTeX
1987
25Digraphs with maximum number of paths and cycles. Yehoshua Perl. Networks (17): 295-305 (1987). Web SearchBibTeXDownload
1985
24A Linear Recognition Algorithm for Cographs. Derek G. Corneil, Yehoshua Perl, Lorna K. Stewart. SIAM J. Comput. (14): 926-934 (1985). Web SearchBibTeXDownload
23Efficient Variants of Huffman Codes in High Level Languages. Yaacov Choueka, Shmuel T. Klein, Yehoshua Perl. SIGIR 1985, 122-130. Web SearchBibTeXDownload
1984
22Optimum Split Trees. Yehoshua Perl. J. Algorithms (5): 367-374 (1984). Web SearchBibTeXDownload
21Heuristics for finding a maximum number of disjoint bounded paths. D. Ronen, Yehoshua Perl. Networks (14): 531-544 (1984). Web SearchBibTeXDownload
1983
20Is Text Compression by Prefixes and Suffixes Practical?. Aviezri S. Fraenkel, Moshe Mor, Yehoshua Perl. Acta Inf. (20): 371-389 (1983). Web SearchBibTeXDownload
19Shifting Algorithms for Tree Partitioning with General Weighting Functions. Ronald I. Becker, Yehoshua Perl. J. Algorithms (4): 101-120 (1983). Web SearchBibTeXDownload
18Circuit partitioning with size and connection constraints. Yehoshua Perl, Marc Snir. Networks (13): 365-375 (1983). Web SearchBibTeXDownload
17The Balanced Sorting Network. Martin Dowd, Yehoshua Perl, Michael E. Saks. PODC 1983, 161-172. Web SearchBibTeXDownload
1982
16A Shifting Algorithm for Min-Max Tree Partitioning. Ronald I. Becker, Stephen R. Schach, Stephen R. Schach. J. ACM (29): 58-67 (1982). Web SearchBibTeXDownload
15The complexity of finding maximum disjoint paths with length constraints. Alon Itai, Yehoshua Perl, Yossi Shiloach. Networks (12): 277-286 (1982). Web SearchBibTeXDownload
14Is Text Compression by Prefizes and Suffixes Practical?. Aviezri S. Fraenkel, Moshe Mor, Yehoshua Perl. SIGIR 1982, 289-311. Web SearchBibTeXDownload
13On the Complexity of Edge Labelings for Trees. Yehoshua Perl, Shmuel Zaks. Theor. Comput. Sci. (19): 1-16 (1982). Web SearchBibTeXDownload
1981
12Efficient Optimization of Monotonic Functions on Trees. Yehoshua Perl, Yossi Shiloach. CAAP 1981, 332-339. Web SearchBibTeXDownload
11Deficient generalized Fibonacci maximum path graphs. Yehoshua Perl, Shmuel Zaks. Discrete Mathematics (34): 153-164 (1981). Web SearchBibTeXDownload
10Max-Min Tree Partitioning. Yehoshua Perl, Stephen R. Schach. J. ACM (28): 5-15 (1981). Web SearchBibTeXDownload
9The Complexity of Identifying Redundant and Essential Elements. Shlomo Moran, Yehoshua Perl. J. Algorithms (2): 22-30 (1981). Web SearchBibTeXDownload
8Mean flow scheduling and optimal construction of a treelike communication network. Yehoshua Perl, Yaacov Yesha. Networks (11): 87-92 (1981). Web SearchBibTeXDownload
1980
7A Shifting Algorithm for Min-Max Tree Partitioning. Ronald I. Becker, Stephen R. Schach, Stephen R. Schach. ICALP 1980, 64-75. Web SearchBibTeXDownload
1978
6Interpolation Search - A Log Log N Search. Yehoshua Perl, Alon Itai, Haim Avni. Commun. ACM (21): 550-553 (1978). Web SearchBibTeXDownload
5Finding Two Disjoint Paths Between Two Pairs of Vertices in a Graph. Yehoshua Perl, Yossi Shiloach. J. ACM (25): 1-9 (1978). Web SearchBibTeXDownload
4Shortest Paths in a Network with Two Cost Functions. Yehoshua Perl. Jerusalem Conference on Information Technology 1978, 211-215. Web SearchBibTeX
1977
3Understanding the Complexity of Interpolation Search. Yehoshua Perl, Edward M. Reingold. Inf. Process. Lett. (6): 219-222 (1977). Web SearchBibTeXDownload
1976
2Optimal sequential arrangement of evaluation trees for boolean functions. Yehoshua Perl, Yuri Breitbart. Inf. Sci. (11): 1-12 (1976). Web SearchBibTeXDownload
1975
1Efficient Generation of Optimal Prefix Code: Equiprobable Words Using Unequal Cost Letters. Yehoshua Perl, M. R. Garey, Shimon Even. J. ACM (22): 202-214 (1975). Web SearchBibTeXDownload
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