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Re: B-tree overlaid with Adjacency List? 12 Years Ago by Rashakil Fol … thought you were replacing your binary search tree with a B-tree. What is this "B-tree" then, if it's being used…? Why is there both a B-tree and a space partitioning tree? The notion of a space-partitioning tree is that a given node… b tree 14 Years Ago by geekme Hello need help in traversing a b tree from down node to utmost parent node and how can you code for a leaf element, as it has an adjacent node as well apart from no child. REgards Re: B-tree overlaid with Adjacency List? 12 Years Ago by mike_2000_17 …put things in a B-tree. (Might I ask: How many keys are in your B-tree nodes? If your b-tree nodes are wider … the initial linked-list-style BST structure with a B-tree which resulted in a tremendous performance improvement giving the …lt;< N). I also tried a cache-oblivious B-tree (or COB-tree) which also showed good performance (log-times) but … Re: B-tree overlaid with Adjacency List? 12 Years Ago by mike_2000_17 …) used to construct and maintain the tree structure. The B-tree is one way to store that tree. And, of course, it goes…that the concept of a B-tree works just as well for a d-ary tree. So, by B-tree, I really just mean …nodes. > Why is there both a B-tree and a space partitioning tree? The B-tree is the storage strategy. The space partitioning … Re: B-tree overlaid with Adjacency List? 12 Years Ago by Rashakil Fol …things in a B-tree. (Might I ask: How many keys are in your B-tree nodes? If your b-tree nodes are wider… you update things appropriately. (Naturally, you make your b-tree node structure such that nodes are not moved every time… local. The advantage of this scheme is that pure b-tree operations are faster. Also, pure graph operations are faster… Re: B-tree overlaid with Adjacency List? 12 Years Ago by Rashakil Fol … a BST structure and then wrap it inside a B-tree. A B-tree is a structure that replaces a BST, for example… exists to provide key ordering (and balancedness) and the B-tree structure exists to provide the same thing, they're redundant…> You can't "replace a binary search tree with a B-tree", you can choose to store the binary search… Re: B-tree overlaid with Adjacency List? 12 Years Ago by mike_2000_17 … directly to that of the B-tree nodes? Say you have three nodes A, B, and C, with partner… nodes Ap, Bp, and Cp. The B-tree nodes (A,B,C) happen to be laid out next to … them out the same way as the B-tree, meaning you might as well store them in…d be interested to know. > Are the b-tree nodes not flattened as well??? Yes, of course they… Kind of confused of how you find the order of B-tree given bytes of block, key.. 15 Years Ago by lotrsimp12345 …;Red"]a multilevel index using a B-tree is to be made for a file with 600,000 … that a node in the B-tree can have. [B]b) How many blocks are required to hold the B-tree records at the lowest level…. [/B] 2^n would give me the number of… B-tree overlaid with Adjacency List? 12 Years Ago by mike_2000_17 …/ undirected, or bidirectional, possibly with cycles, etc.). The B-tree is used for fast queries of nearest nodes, while the…to be local with respect to the partition of B-tree nodes, giving me even more locality of reference …to physically move around when restructuring (or rewiring) the B-tree (by self-balancing algorithms), and then the overlaid … Re: B-tree overlaid with Adjacency List? 12 Years Ago by Rashakil Fol …localized in a manner that reflects the localization of the B-tree nodes, without having to tie them too strongly to the…of the partner node, which contains the pointer to the b-tree node of which it is a partner, since the …here depends on the size of the partner and b-tree nodes. (Are the b-tree nodes not flattened as well??? That is generally… Re: B-tree overlaid with Adjacency List? 12 Years Ago by mike_2000_17 … after my previous post, that the B-tree term also refers to this specific type of… search tree. In the literature I have been reading, they used B-tree as a short… for "Breadth-first layout (or tree)". As for… and do all the synchronization between the tree and the adj-list externally to both … B tree of order N 14 Years Ago by .:Pudge:. … a desired 'n'. I borrowed and modified code of a B-tree of order 5, but I can't get it to… which the int is read in and inserted into the B-tree do{ //while not at the end of the file do… numToInsert; cout << "Input the order of the B-tree: "; cin >> treeOrder; do{ cout << "… Re: B-tree overlaid with Adjacency List? 12 Years Ago by Rashakil Fol …; What you seem to be describing is a cache-aware B-tree implementation, with some bit-trickery. The purpose of that is… B-Tree Implementation - Fatal Error 14 Years Ago by Krysis …[url]http://koders.com/java/fidAB3BF22D2F6F383D797E598C79B9DE16C02ECF9A.aspx?s=tree#L1[/url] Error: Undefined first referenced symbol…BTNode { /* Making an N-Order B-Tree */ public: int order; // Order of the tree int nKey; // Number of keys… Re: B+ tree deletion 12 Years Ago by mike_2000_17 …out what is the root of the sub-tree that needs to be restructured (which is …temporary storage). And then, rebuild a fresh sub-tree out of those elements. In my experience, … also cheaper to run on average than complicated tree surgeries. Other than that, it is hard …gt; And, do the index elements of a B+ tree necessarily have to be a subset of the … Re: B+ tree Data structure 13 Years Ago by eman 22 yes I know that the order of B+ tree the maximum number of children an internal node could have. but in the implementation of the tree how can I determine it? Should I assumed that is a input to tree? Or what should I do? B-Tree code 13 Years Ago by swissknife007 Can anyone give me starting ideas about creating B-Tree? For example,how to define a node structure in a B-tree? B+ tree Data structure 13 Years Ago by eman 22 How can I determine the order of B+ Tree ? Or it should be according to the number of total elements in the tree. B-Tree Question 13 Years Ago by coolbeanbob … that, when inserted in an appropriate order, will force a B-tree of order 5 to have 3 levels. I believe the… don't think the order makes a difference, because the tree will just re-balance itself before it adds a level… B+ tree deletion 12 Years Ago by theguitarist My B+ tree looks like : rest of tree / 9 10 / \ \ 5 9 10 If I need to delete … Re: B+ tree Data structure 13 Years Ago by griswolf … a way to determine what is the [B][I]optimum[/I][/B] order for a given B+ Tree? If you think about it, you… Re: B+ tree Data structure 13 Years Ago by Narue I'm not sure you're using "order" the way it's usually used. The order of a B+ Tree refers to the maximum number of children an internal node could have. Can you be more specific as to what you're asking? Re: B-Tree Question 13 Years Ago by coolbeanbob … containing, at most, n-1 keys. The animation shows a B-tree with order 1 to contain, at most, 3 keys per… Re: B-Tree Question 13 Years Ago by Narue Let's make it even more complicated. ;) B-Tree is an ambiguous term, and there are different versions that will wait until nodes are more full or less full before splitting. Re: B+ tree deletion 12 Years Ago by theguitarist And, do the index elements of a B+ tree necessarily have to be a subset of the values stored in the leaf pages? B-Tree lvl order traversal 14 Years Ago by .:Pudge:. I am having trouble printing the contents of a b-tree of order 'n' in level order. I have looked at … B Tree code insertion 13 Years Ago by swissknife007 … 0; } [/CODE] I have made this program for 4 key B-TREE.It gives no output when I run it. I am… b+tree code to insert file 11 Years Ago by harshi22 I need code in java for creating b+ tree whose nodes contain file for implementing insertion,deletion and searching. please help me out Re: Constructing a B+ Tree with branching factor M = 3. 14 Years Ago by Narue [B]>How would 8 be brought into the tree then?[/B] B-trees use a split and merge technique for adding and removing nodes. It works the same way with a B+ tree, which your reference material should explain clearly. Re: Kind of confused of how you find the order of B-tree given bytes of block, key.. 15 Years Ago by lotrsimp12345 …="red"]a multilevel index using a b-tree is to be made for a file with 600,000 … that a node in the b-tree can have. [b]b) how many blocks are required to hold the b-tree records at the lowest level…. [/b] 2^n would give me the number of…