|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
8 ?! ^, } Z5 q& L2 ~globals[
: \3 f- D$ n& ~& A2 Hxmax1 m" W' [: t8 a( ]0 _
ymax
6 B' W6 e2 V, N$ z8 I: O8 @global-reputation-list
% {9 w ^3 \9 P2 h" }0 F
7 y: M# x8 @6 _# p4 C" [: L# F/ v;;每一个turtle的全局声誉都存在此LIST中
6 w+ s+ G1 y7 k6 ~" v! pcredibility-list
5 s* ~6 U8 {; X5 Q, ~, i0 u;;每一个turtle的评价可信度
+ R1 v* I% [. q0 g9 rhonest-service
z1 |' k) {" f8 s: a7 ?unhonest-service
{5 F" l) B' h6 `0 ^$ f, K# ooscillation, j8 d2 q- ~9 C0 ^2 F2 i* L
rand-dynamic
3 V' {+ @: l- C# {2 T]
" V: ~% r, O- R1 z& P+ ]/ v5 j
$ P6 F; s% ?+ uturtles-own[1 R8 _! {% i- F/ Y
trade-record-all
- O7 _5 ]) K' t4 Q% s5 \; n2 ?) S9 M;;a list of lists,由trade-record-one组成
5 i" O f( K/ i' P6 E) ]5 strade-record-one7 ? w: Y! e1 Y; s( a
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录; x2 Q3 b* X! L/ |# n8 q# d
l) I7 R, O* q4 v$ s;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]; W. h9 j! f5 X
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]% o1 R" [8 X/ H$ S9 X
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
* ]8 ~. a+ @3 W& Y+ W5 qneighbor-total
2 J8 I A4 D6 u* o7 l8 E3 D;;记录该turtle的邻居节点的数目
0 ]4 a# j @* D$ N% c9 qtrade-time
2 K: k+ V M* d* y; q;;当前发生交易的turtle的交易时间: l1 R5 }2 U" ?1 b3 x+ B* `
appraise-give
, ^' f+ V9 Y/ C;;当前发生交易时给出的评价" c' W3 o; y6 W. G+ B
appraise-receive- c3 h$ A- A2 m: w0 d( [; ?
;;当前发生交易时收到的评价
3 Y) e7 E6 ~- V( ?appraise-time& N+ P1 F* Z, O {
;;当前发生交易时的评价时间
+ S* `" i3 l( c0 f' f% elocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 O3 N, K( |0 z; itrade-times-total- H8 N7 J, ~! ?$ s
;;与当前turtle的交易总次数: N) Y) [3 \, z/ B0 I
trade-money-total7 \, n4 `1 T# k) |& v- @4 C
;;与当前turtle的交易总金额+ v9 y- G0 z/ o$ d/ z+ `
local-reputation, @$ N8 E$ }& c' ?6 i- \' Q2 ]
global-reputation3 h7 n: `/ ]% _2 ^7 I* s. j" I, ^
credibility: [9 ?3 R# k% _ z
;;评价可信度,每次交易后都需要更新
; g0 V2 Z+ T7 T" Qcredibility-all
g2 Q" {" O- M0 A;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
0 X$ }. V3 z( l; j9 I \: F6 z6 C5 [
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5- \' D, \" C' ]
credibility-one6 }% ~7 E" r5 Q" {
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项8 f' I7 o6 r) }
global-proportion7 s2 A( `# j( z' a8 g+ \
customer
- ^/ q# T& X' gcustomer-no( `( H; Z6 ]+ P1 g' i! c: A5 B
trust-ok
- z; A) |* ~- R6 @4 etrade-record-one-len;;trade-record-one的长度* B& x3 ? }5 T; H0 F
]( v& C2 b6 P1 j
" d$ N, B. r3 g& S+ f7 p Q;;setup procedure/ ?2 a. u9 L( c' R) D, Z9 p
5 H* [/ r+ }# N2 v+ j& Xto setup
7 A1 B5 t: h9 q. H( i- g+ d& |) |2 m1 C+ J* `3 S
ca* j/ @+ U# ~ X* b! _$ I
7 }" m6 \2 H2 u* s
initialize-settings! N, x: R& ^& i& A+ I
; o7 I5 m+ J% O4 ^# U: Kcrt people [setup-turtles]
* s: i+ W5 {; T1 O+ x: C$ _2 F/ z! b$ V2 E
reset-timer) j! u! d! }1 E7 {
6 v+ ^* G! J0 z6 \1 F' Zpoll-class4 y9 T) Y5 [4 F3 U$ v4 c
& F$ i0 E2 h) K/ R% c' Z8 ]# csetup-plots
* \/ I+ ^$ _" L! @3 B: ?( Z
: t8 k( N" @4 i0 b2 n2 Rdo-plots
# o1 L1 c1 W9 yend3 K# ]( d' V9 W$ k
. e; y) ?" y4 eto initialize-settings5 z/ Z# J& F$ x6 n6 l
. K/ A; p2 T+ l. ^" O, `
set global-reputation-list []: m$ y, t% @0 D
; a4 u l7 S0 dset credibility-list n-values people [0.5]
5 H" \! @6 m9 w6 U7 Q/ \6 z
5 Z6 Y" r+ A$ i6 p5 L# mset honest-service 0
) F# v, L4 Z8 n0 S$ m$ N. a
* |/ F+ @/ a* y6 a3 g" Eset unhonest-service 0" t* C( u/ z* M# a0 W
2 u; `: c" A/ Q3 D2 Rset oscillation 09 {+ V$ n& G# L$ G' Q' ]
6 q, w6 e1 i& p$ m6 |. m, gset rand-dynamic 0
% X m* C% w a, }% d8 }1 W& nend+ m$ ~0 j5 A& h4 a
& b2 n. \* b5 y/ ~( C& S
to setup-turtles ( F: N2 h! k1 ` l& z J
set shape "person"5 ? s; o* i: p/ a. n4 x
setxy random-xcor random-ycor
$ d0 f/ m& A* l" ~. U# O; |8 }/ Mset trade-record-one []
; I9 v+ {& v* T' \' @; o/ q! M
5 v% t+ t% m' Tset trade-record-all n-values people [(list (? + 1) 0 0)] * e2 g* E' D$ r6 u
# F' {+ o3 S7 n' X$ c
set trade-record-current []
1 P% O+ J. l0 }* w& T# |3 O; Kset credibility-receive []
- \# o# J( j6 b8 Vset local-reputation 0.5 v: `6 |9 Q+ L4 A
set neighbor-total 0
1 `- |9 V) u0 B' b- g3 ~' h2 |5 y) U9 iset trade-times-total 05 i) |) @8 C3 j- M+ q
set trade-money-total 0* b1 C" g! I* v* G7 t3 V
set customer nobody
9 V8 t x' {4 S+ q8 {' Rset credibility-all n-values people [creat-credibility]
# ~0 P0 [5 `5 E4 Z: ~set credibility n-values people [-1]7 T5 f, d- ?0 m$ o6 @& i
get-color
$ ?; \5 M5 c! G8 h4 f! d: g7 W5 r" Q4 F# f0 p$ }
end7 ]' r- a1 L# k9 W1 j- h
! W, f. K4 r( `: a4 Ato-report creat-credibility: y0 J' _' B3 M2 w: g
report n-values people [0.5]
$ S+ q/ {1 u6 ~: \; E( n4 i& ^. \end
/ o/ Y" T; ]2 [
, v) P7 x" G8 x6 X! D3 Uto setup-plots4 P5 T! V; q3 H- W
$ ]' ^! ^# e8 I5 K' q- Y& wset xmax 30+ d1 T$ j( {7 w) [; P! v
7 t; _, r5 c: x4 ~) q+ p+ u+ v
set ymax 1.0) d7 t6 M3 L% k% p m5 I
) c: Q; M7 K5 G, W4 t9 aclear-all-plots
1 v# j) h( a5 }: ]
/ Z& T6 h2 X0 @, S; N' N; y; b4 A5 ^setup-plot1
- N2 J; j- L' i! E: o$ s: r8 C0 d t: r" f% Q
setup-plot2
' @/ c; x( E' h1 U( Q, N9 j7 b
# T8 e9 y; Y$ J+ G4 Y- F A2 _setup-plot3. F! a; E5 u, W. Y* c8 w
end& w/ B% X4 W7 i' p; V
; h1 O/ m# z% I3 R! x; z6 X5 I L! |
;;run time procedures0 X5 k0 j1 W3 q6 Y. p0 A6 W2 K8 y
! E' x: p4 F E3 c% Vto go
" ^3 T1 O, i$ P. I# J+ G/ b1 }3 B7 |
ask turtles [do-business]
$ t( z9 f; e# U, i: E/ @" ^& r- I9 }/ Lend+ ^* X3 P0 C( p* u
3 F- p5 J( ?& F& C- wto do-business
8 q+ T; r8 |- `2 L0 e1 _; l# J- Y. o G; f3 [
4 ?/ A. l2 l8 w! L5 nrt random 3602 L+ l. G4 C5 j3 K- N7 i5 S
0 Z% m4 K6 D" X# @* Nfd 1
% R8 `" I8 n$ B8 V" _- i Q, [# G9 ^4 ]' O
ifelse(other turtles-here != nobody)[4 L) u" `! M" x* {
, Z: M5 ~ ^. i& M( E9 V% c7 ?set customer one-of other turtles-here; x! i7 A& k# Z2 l- L
% D$ x! a- ?1 J8 {! P2 V3 B8 l;; set [customer] of customer myself
" p4 }; v$ C! G+ e* N8 {5 Y
1 `: Z0 N0 c' O! I) \( T/ gset [trade-record-one] of self item (([who] of customer) - 1)
, F4 z3 X' P/ N1 n[trade-record-all]of self
! e3 a. }5 Q4 r/ ~4 Q;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
; l5 @1 H/ e, J6 P6 R6 \" a0 \" v8 ^
set [trade-record-one] of customer item (([who] of self) - 1)
9 `, `6 n4 \1 G, p[trade-record-all]of customer4 f5 i- }- `) I
& d! ]& n7 J# A' y1 W7 _2 `% A
set [trade-record-one-len] of self length [trade-record-one] of self! H( u Q+ Z' Z2 b5 q3 ]
" F6 j9 \5 ^; G0 Y, _6 Q9 _8 u
set trade-record-current( list (timer) (random money-upper-limit))
) _7 k% \: ~/ B5 o
; k$ c1 }/ W* @9 y8 Z: Kask self [do-trust]
# ~2 _1 }6 ]4 O4 J. S;;先求i对j的信任度
/ q% C( E2 s, R" A; c4 l' @
% W4 I2 q; R R7 f0 ?/ mif ([trust-ok] of self)4 v; z9 i! x, M# F1 ?( U( B, ^
;;根据i对j的信任度来决定是否与j进行交易[
. F9 A: ^. O- O- L' Pask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself/ F/ ~9 |( b( ]; m! ]6 n* C/ P( K
" N. @; [* B E9 @. J: t
[" |+ y u' r0 \/ @8 i, H: w0 T
/ D |0 s4 M1 v6 W. Kdo-trade( Y4 ^; _' c2 S; s; D3 I- H, P
0 a E3 Y. i. x2 G" }update-credibility-ijl! Y% O: z8 n" P4 S
' i2 b3 g: `. S! P# l7 o* _! e
update-credibility-list
7 o$ t7 h: w" Q6 U
: m/ ]& V# a1 g& f, ^% W' r
; @2 ~7 d/ t8 d- n; V9 R: G, u+ aupdate-global-reputation-list
" S {0 z) r( D
* U2 T) o) k2 l1 opoll-class9 Z8 \* S9 K2 C5 s' R3 W3 x; V
& x) E- Z$ {5 c3 Q3 w3 A' { hget-color1 U! n) G% P. p1 u% z: D5 x0 f% J
4 C3 A) s& p9 l]]! I+ k2 U+ p" _ q! h
3 W ^; e3 ^/ O* r5 F4 X;;如果所得的信任度满足条件,则进行交易
9 s& W! V6 U \* m9 B2 j7 v. ?7 @: N0 i4 W4 \/ i
[
# O% [8 A; w* ?* Y9 T5 H# w, z% m% N# F( f5 X- }
rt random 360/ u' l2 O% r- r/ F/ ?
* l" i/ I; y; i$ w
fd 1# |1 f! T% |0 X1 [2 U
5 ?" q! t; W% \* b]
) x$ U; L' z7 d& z2 S2 s( t K6 h6 n' O1 R( h" l
end
% m$ p# ?" C2 s5 \/ h9 b" l' f8 r; `0 m" m* J
to do-trust " H* p, T4 k2 X
set trust-ok False
( G D$ C4 J& o- K- [2 m8 T( w# ^3 R& v9 S% L7 @- z- s( j
2 } ^ y: X6 u# S6 f( Tlet max-trade-times 06 P; V# E$ }; z+ M
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
* x% C. m- E4 X+ S4 v; [let max-trade-money 0/ E1 u& |+ [# |5 n& H$ ]( a
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
z4 Q4 A+ S; H' ^! Y" ^7 y) Blet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))' Y7 X, O% o9 s8 H
/ s, d' J" m0 c/ |
" u; Z- r& J5 t) a
get-global-proportion
6 Q( m5 i( f. j0 X- w' blet trust-value
+ ?" @8 C$ @5 }' |' r7 m2 hlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
6 x" [# K7 r% G1 Z1 M2 F! kif(trust-value > trade-trust-value)- y8 U( b8 X3 s' [, x- K' N
[set trust-ok true]" B- E& P: H9 n, C
end
# \! E8 L0 }6 ^: u r; d2 k, ~% h, [- a
to get-global-proportion6 j1 L" K+ [) J* W7 k7 g
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 _1 U% C2 c6 h: \( t
[set global-proportion 0]
1 Y$ G% a9 @$ l0 u" Q$ J[let i 0
; ~4 t/ H% m6 ulet sum-money 0
0 w# q# K4 A$ g' \( Uwhile[ i < people]
% L6 A) o4 g M[. [7 x- B" ]. M8 O7 l& y
if( length (item i% l0 Z% |! c5 C# k0 Y+ n! |
[trade-record-all] of customer) > 3 )* u0 l+ g1 o5 s3 w) g- Y- X. S
[8 c; i$ J! ~8 Z# h- F$ V
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))9 b, p1 V( [2 ~" @# P
]
$ a' Q3 \( M4 O& s4 N]
0 n# } S, ?+ Q1 M3 q. j# Qlet j 0
8 v3 s y; I1 ilet note 0
8 X- U' \9 }# _9 r9 T. Z9 Bwhile[ j < people]# p+ Q) d1 f4 ?) F
[: J U- N, U/ ]" o# X
if( length (item i
! x/ d' p6 g9 S! t! z s( Q, O/ Z[trade-record-all] of customer) > 3 )
: Q- h6 k8 k/ O" C[- ]- D/ z# a5 L- A8 l) k( a7 Q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)) e7 O" @+ t, j$ f1 a0 S* F" I m
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
1 T/ X1 q0 F" s2 h; z. s[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
( Z9 l% Y( A. V3 u]$ W3 }, L* N/ k; D! K H8 M3 Y: J
]
- F: B' ]5 Y) o- B# ]0 S- E- a, Pset global-proportion note
8 h) D" C' I+ n7 L2 I, M5 e' N]
. c5 ] y) U8 c5 h. Gend
. {9 ~1 x" v! q2 m3 G
8 e7 f2 d, ?8 y0 Q/ rto do-trade5 B- F0 O. f. D( C& n( j0 B
;;这个过程实际上是给双方作出评价的过程
7 W- f ~& g/ K) p) nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
0 ]1 K% W4 }( P* x; gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
) j9 y4 ]; e: s T' y3 q0 Y; Xset trade-record-current lput(timer) trade-record-current
* [* Z* E& u% Q+ `* [;;评价时间- a) s; b- C" R- f- U8 g4 e
ask myself [
) y! b+ P: A3 V: {5 I; v! Jupdate-local-reputation# J4 e; {+ j3 S1 K& o( k; J) G" F
set trade-record-current lput([local-reputation] of myself) trade-record-current
@8 Z3 Y# s& I# @; |) s]; B f2 c0 t# _1 y1 u9 L7 u
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
3 [; y R* M0 b; G9 O! ~# ^% U;;将此次交易的记录加入到trade-record-one中
* J! V- S( b2 T: ]( w P. B3 E* qset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
( [' w8 w6 e3 V- U5 |5 Y$ f, P) |let note (item 2 trade-record-current )
3 T, G1 Q; Y, S5 P: P" aset trade-record-current" ? S4 T' R5 q; N. W+ l7 C! Y# I
(replace-item 2 trade-record-current (item 3 trade-record-current))
% _! f9 X8 | }set trade-record-current
+ q" b& c! N) Z( R+ k6 f(replace-item 3 trade-record-current note)
& [1 H9 ^4 c# E! R7 f6 Y
" Z: y! ?1 V" ?" C, P
! Y, h8 X! p" f5 Jask customer [& d3 h$ J/ {* g6 _% s
update-local-reputation
- C1 E$ H! T, H; x( Fset trade-record-current$ w& J( s: r' y
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) . ^, N& i$ J/ ^% @1 Q
]
! w. S+ \1 ?; D" `( S! I* ~
2 t5 G/ w" h2 {
% J& N2 H$ I. Rset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
! I3 B" M+ r( I5 `( j4 H+ t9 s# G% p, |1 H
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 c$ g3 D4 J( ]
;;将此次交易的记录加入到customer的trade-record-all中
" V: h6 _7 a; o+ Cend8 U$ I* | T& Z1 V+ V
" c, ]) x4 b# u2 m/ W
to update-local-reputation. J ]5 I- y& k; \. |+ S) k; K
set [trade-record-one-len] of myself length [trade-record-one] of myself! L2 D, e, X# L
4 c; l: `( q9 \) n' S# ~) G" p& g- C2 l8 P7 P$ D4 u
;;if [trade-record-one-len] of myself > 3
& _7 c6 K0 e( i$ n8 gupdate-neighbor-total2 ]! ~4 x0 G B
;;更新邻居节点的数目,在此进行
7 j% U2 m1 V6 C( ilet i 3% ^. @4 u7 a- W' T& f# V# E
let sum-time 0: ~1 X* q& v( x5 T: d
while[i < [trade-record-one-len] of myself]$ e$ g. Q& m9 C; I3 o- M! ]' H" T
[
& c6 O2 X6 o( Y Sset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )! B0 l* N: U2 G
set i
9 `- w: x" u+ R; p+ l P, A1 d( i + 1)
, P: z I, q d9 Y7 P/ m3 T n) A) n]
: W4 y( @+ [& [' b! j m" glet j 3
. v8 v, J3 W! I( Y$ P! Mlet sum-money 0! b- P, J8 P8 x! Z$ M
while[j < [trade-record-one-len] of myself]
; O5 c& |" K, e8 o2 i& h, ^ G" S[
8 g% ?3 b$ n* Y% B2 P+ P# Cset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)5 P# Q( m8 [1 m" d# d
set j4 {( V8 |' e; ]& ~! r
( j + 1)
$ Y9 e* j) y1 Y3 _]$ J9 P8 g r& w- E; B
let k 3& B; t, E2 W& d
let power 0
6 v& {* J. k5 A6 i( ^: O3 D1 llet local 0
6 B) F9 Z \4 C0 E' ]% t! f! dwhile [k <[trade-record-one-len] of myself]9 W$ X2 N3 M6 V- I6 S
[* v( @: |! e+ t" W% |
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) ) y$ h! I- T4 K: @/ a$ L+ L
set k (k + 1)
) ^! g- c h" {]
2 r* j7 E' W' K- N# ~4 a6 aset [local-reputation] of myself (local)
6 M3 p0 |* H9 X3 m5 K ~end$ x( Z5 c" Z+ \7 S o
. s5 ]4 e! _: t6 P1 kto update-neighbor-total3 R( G5 U, @% X8 L( `! u Y0 x( c+ E
0 d0 p* ?% {3 i2 h) pif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" m7 H. p8 n( ~. {$ Z, x; }: s
7 u- I' h/ F5 p- S- m+ Z$ q
, w% ]8 P6 W3 V1 p3 B/ j+ ]6 s: L: c
end0 X$ K, c7 ^2 {5 E
U- n/ g) |; {9 I7 K" i
to update-credibility-ijl
0 a q V( j0 L$ {
4 w# }+ s0 ?$ J/ A4 e) q4 D7 V- R;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
) o9 C$ ~& ?6 t1 m0 U+ alet l 0( o( D5 `" T) p
while[ l < people ]) y- r+ b ]( t# V
;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价- `1 M' }% z+ Z- U: F$ _0 e5 @! c
[
7 u f, k# l: J9 t0 m& Mlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ U& d& x! Z: ]5 \! @% I' f" X4 aif (trade-record-one-j-l-len > 3)
, R" Q# V. ], P1 W0 K9 X( e i[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one2 T. b% d7 Z; p2 m# p+ l$ f8 Z
let i 3
3 W8 O. W4 @! c4 c0 R M: L& S1 flet sum-time 0
1 v" z) M { o! f0 {& k: lwhile[i < trade-record-one-len]( m' D- \. l1 {% f# L$ j: {, R
[8 V/ j! ~; q: B- u; Q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# _$ ]7 r; d, _. H2 ^+ k! r" m- vset i. i1 g1 p; Y" m# K& n
( i + 1)
5 G$ W& M! \% i9 G: ]3 K* g]
. ~6 M: R, D; I% J2 zlet credibility-i-j-l 0
& {/ P1 ?9 M+ b! x* V;;i评价(j对jl的评价)% z$ x' I$ C: i3 j; `$ B' J; L
let j 3
5 c( ~$ C( N: W, z5 Olet k 4
# p8 ]; k8 s' k9 Iwhile[j < trade-record-one-len]
5 q1 g6 r6 s% N: e4 g8 Y[
+ I5 z; T. I2 T4 b. j0 vwhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉) g) J6 {' o% h6 ~4 b0 f$ b F% c
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)9 @5 G$ E0 `" E3 q; V* t
set j; f2 t: S& k$ H6 O' I
( j + 1)
3 \4 Z. ]& X( X, J7 F& R]$ G0 o2 V' G/ Z
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
' h& L/ K: O* F& i L S5 Y6 v6 s* y* q' n1 [8 k
: H4 i' K3 G* U+ Q4 ?- R6 |
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
1 `* a# b- N. T;;及时更新i对l的评价质量的评价- {0 O) y( Z, {
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
& F2 \9 {) \/ i; u; Bset l (l + 1)
" y6 z3 w3 U3 z* R8 J, |; W/ x; D]" E/ Q0 r+ s" Z
end- I# I$ ^ v2 h# k
3 D; ?& u6 ] W) U' a" ]- Z
to update-credibility-list
$ b9 [& h, S+ A: o4 vlet i 0. u" ~4 t, M: ]6 D' ] X; R2 O
while[i < people]
X, d8 ]- V5 Q/ a: e[
) m- @' U. {1 ^' ^5 p& J# c+ A9 llet j 0/ S; j# a6 Q- t# X8 b- T3 Q8 ], E
let note 0. {8 o, i, Q7 f z+ R i
let k 00 m" S4 j2 K/ E% h( f
;;计作出过评价的邻居节点的数目
: S1 k2 j9 T9 @9 v9 `7 d1 Wwhile[j < people]& S% @, R9 R! X7 j
[& x; @" O) ~" h, o% D6 v$ k2 K5 D2 t n
if (item j( [credibility] of turtle (i + 1)) != -1)* s- ], ~. e0 o$ z
;;判断是否给本turtle的评价质量做出过评价的节点
$ c! h' ?' s: ^8 R[set note (note + item j ([credibility]of turtle (i + 1)))+ j2 ?9 O( r" e7 T) h! ?
;;*(exp (-(people - 2)))/(people - 2))]
' w) Q$ B% }; ]5 ]% Oset k (k + 1)
" v3 l X+ e0 Q$ y/ [& e7 k]5 I6 L7 Z0 ~' r
set j (j + 1)
) p5 z: U6 q5 r8 H6 Z]( u% W4 C8 V& U8 V" K8 T0 Z* W
set note (note *(exp (- (1 / k)))/ k)
& @; Q+ P2 v8 w: H! ^' vset credibility-list (replace-item i credibility-list note)
2 L/ D/ I* b' c1 k) ~" Qset i (i + 1)
6 s! c0 y$ u) s: o+ `3 q]# B. F& w; d/ M* N! W6 g' _5 V v
end
2 Y) s5 \, i5 M$ b+ m; I
# i) Q% v. W3 c ]! {to update-global-reputation-list
% X; j6 S4 _, \# E( F6 i+ ?let j 0( l# t% E! ]1 p; d
while[j < people]
+ [1 F: M. D! O" P7 A[- w' g o5 U6 [% t% A
let new 0
8 S( p$ x3 m+ @;;暂存新的一个全局声誉" C4 [, S3 W3 u |
let i 09 l/ {6 F3 y$ H
let sum-money 06 ?7 L. Z) k; B6 c6 W0 f6 P) H
let credibility-money 0
" e* o4 W# v- N" H7 v0 V3 dwhile [i < people]9 l% l3 i) \* `. V# l
[
6 L3 Q* p8 @) t! L' ]set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! f: @0 l9 D& ~: N& q+ u( v
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" g5 o, o( d5 E& Z; k
set i (i + 1)
6 D4 L$ E& X& g# ~5 Z y f1 U]
& ^# |( `# n# t! p; Q ^8 Wlet k 0
4 b7 h# g9 b6 p$ R( Flet new1 0
6 {2 {9 G+ I( W) v: k7 ywhile [k < people]
Y, ~+ i% |, B* \ B1 f[7 S, I" m+ A e( `8 @% F
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
# K$ p1 l# l: y6 Cset k (k + 1)
4 f8 \8 e# o2 n1 N! M]
/ Y' W+ y. A/ a0 }( Nset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
1 ^/ z* m. h) E! h( p, I$ o! mset global-reputation-list (replace-item j global-reputation-list new)
8 \0 ]9 G' e0 e% h. z7 F7 q3 p" Fset j (j + 1)
1 P$ t: J" w, F& I0 L]
. X3 g5 W1 y; lend7 @& p/ p1 U& q! |
0 B4 l6 J1 Z. `; x# h( h
7 H9 p3 V8 I$ K
5 S5 v% q! ?0 z9 o% B; yto get-color
) s8 h! A! [' ^7 Z1 A8 k
# ]5 I t( X4 x3 ~- E5 E0 Z. {set color blue
& w1 E) S( C+ m* W) [, d9 Oend9 x h7 y: Q7 ^/ k: t
5 h1 E; B2 \' R/ I; H
to poll-class
+ t3 y* J* M+ T/ N: e: N2 }. ^5 O& xend) c i8 h" K1 L: q$ B
" w- _* k. O. t9 }
to setup-plot1% h6 S& T3 n, U8 P& v( R
' `# m8 U7 ]1 ?4 r7 l9 E3 K. ]; [
set-current-plot "Trends-of-Local-reputation") x c. R) T7 _! Y2 z$ D3 C( ^
' c( y2 t; c5 |" L; i W, ]) ~- {3 D
set-plot-x-range 0 xmax
, a3 Q+ e3 s, e6 h$ }0 J9 I% s3 U4 ~: `
set-plot-y-range 0.0 ymax
% J& g: c; K3 Mend
1 c: J! r# C8 w( K0 S: M. b) k$ A9 f" F0 L, g
to setup-plot2
) r0 X) f' E3 M- k x5 ]
/ P$ ?. e/ i; ^' f4 @5 e+ hset-current-plot "Trends-of-global-reputation"
' n6 \ X9 C/ B3 X
; u! h2 b* K% I( oset-plot-x-range 0 xmax
4 O: e* q0 Y, Y
- z& e+ T/ H9 y! e3 x+ q& `set-plot-y-range 0.0 ymax
. g* ~! Q0 H9 a) S3 E4 iend
4 J$ |8 a% S. ^1 P1 U) h" b5 U+ a, R% [3 l* ?/ e: ]
to setup-plot3
; G8 f3 @: u& L4 \( Y
0 x5 w2 [! F. F, M" @* Iset-current-plot "Trends-of-credibility"
2 ^$ H' c% g7 a, Q
d: v6 S* i; w; K" g0 S* Cset-plot-x-range 0 xmax9 \) z0 U, o7 j3 S9 D; V0 t
, A8 Y$ u+ E2 L" N* ^5 Kset-plot-y-range 0.0 ymax0 D& P0 m3 E, P. h
end
7 Y$ @) Y- i% G D: o# }( @; K
+ z$ \+ |+ o8 P3 z8 T( L s1 n7 ito do-plots, K ]& e* w& \$ I
set-current-plot "Trends-of-Local-reputation"
# O7 y/ g) b2 C3 {9 ]6 `" W) ?set-current-plot-pen "Honest service"
! l. e. h: E& ?# u3 Send
- j* ^ R' l. _* x4 D$ d+ C" P
" Y8 w7 V. n; J8 y, p' [[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|