Digital Search Trees are an interesting data structure. Often times they are used as a gentle introduction to bit-oriented data structures, such as PATRICIA tries. Having just covered some other bit focused data structures and algorithms in the previou
One of the most ubiqitous algorithms in data compression is Huffman Coding. Developed in 1951 by David Huffman while a student at MIT, Huffman Coding makes use of a special type of binary tree called a huffman coding trie. Every message or fil
The Lempel-Ziv family of algorithms were introduced by Abraham Lempel and Jacob Ziv in two papers over the course of 1977 & 1978. The algorithms detailed in those papers have come to be known as lz77 (lz1) and lz78(lz2), respectively. Since being i
In the early days of computing storage space was at a premium. It might hard to reconcile with now that having terrabytes of diskspace and gigabytes of ram in the average laptop that for a computer to have megabytes of storage available wouldn
Since their inception, Binary Search Tree's have come to be one of the most fundamental data structures in programming. Shortly after their initial development it was realized that with a bit more work we could gurantee a worst case performance of loga
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BST Deletion: Removal By Merge
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Dictionary Based Compression: The LZW Algorithm
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Taking Action: Compiling Procedures to P-Code
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Making Decisions: Compiling If Statements to P-Code
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Repeating yourself: Compiling While Loops to P-Code
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Removing an entry from a B+ Tree without Rebalancing: A viable approach?
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Implementing An Iterator for In-Memory B-Trees
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Weight Balanced Binary Search Trees
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Parsing Array Subscript Operators with Recursive Descent
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Implementing Map & Filter in Scheme & C